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Emmett Shear@eshear• 6 months ago

Refusing to embryo screen your children is a form of eugenics, selecting for those who are most lucky. As it is commonly noted, better lucky than good. Why would you select for lesser traits?

1.4K 64
6/7/2025
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Chris Maconi@chrismaconi• 6 months ago
Replying to @eshear

@eshear Yeah, no. This is God’s world, and his choices not ours.

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6/7/2025
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Emmett Shear@eshear• 6 months ago
Replying to @chrismaconi

@chrismaconi God is good, no? Eugenics = good genes = God’s chosen genes.

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6/7/2025
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data druid@binarybardo• 6 months ago
Replying to @eshear

@eshear This assumes that not screening is equivalent to selecting for “lesser” traits

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6/7/2025
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Emmett Shear@eshear• 6 months ago
Replying to @binarybardo

@binarybardo Well you start with N embryos, you run a process, then you pick one … seems the same to me right?

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6/7/2025
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mass@Memetic_Theory• 6 months ago
Replying to @eshear

@eshear thank you for this

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6/7/2025
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Mike Solana@micsolana• 6 months ago
Replying to @eshear

@eshear now im just sitting here thinking how crazy it would be if we measured IVF baby life outcomes and found they were significantly less lucky

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6/7/2025
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Carl Franzen@carlfranzen• 6 months ago
Replying to @eshear

@eshear Emmett, have you ever seen the movie “Gattaca”?

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6/7/2025
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Emmett Shear@eshear• 6 months ago
Replying to @carlfranzen

@carlfranzen Yes that’s why I’m anti-eugenics, or maybe why I’m pro, it’s a little confusing at this point

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6/7/2025
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Vivid Void@vividvoid• 6 months ago
Replying to @eshear

@eshear Why I would simply choose the baby that the Dao chose

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6/7/2025
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Max Hodak@maxhodak_• 6 months ago
Replying to @eshear

@eshear Luck isn’t encoded in the genome though. But there’s an interesting idea here: what is the information carrier of luck? As a thought experiment, it concretizes a bunch of stuff usually handled pretty informally

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6/7/2025
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Emmett Shear@eshear• 6 months ago
Replying to @maxhodak_

@maxhodak_ If you created a measure for luck and looked for genetic correlates you would almost certainly find them

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6/7/2025
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Panta@thepanta82• 6 months ago
Replying to @eshear

@eshear It'd be an interesting sci fi story if we started mass embryo selection and suddenly the world got super unlucky - accident rate way up, asteroids, overdue coronal ejections - and it turns out luck selection was a Chesterton's fence...

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6/7/2025
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aron@Aron_Adler• 6 months ago
Replying to @eshear

@eshear luckiness is no more a trait than existence is a predicate

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6/7/2025
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Herr DC Lange@CarlHedgren• 6 months ago
Replying to @Aron_Adler

@Aron_Adler @eshear Skill issue

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6/7/2025
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aron@Aron_Adler• 6 months ago
Replying to @CarlHedgren

@CarlHedgren @eshear no, the opposite in fact

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6/7/2025
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Lucy R. Fisher@richmondie• 6 months ago
Replying to @eshear

@eshear That is VERY twisted logic. Eugenics is a form of eugenics. Not using eugenics is a form of eugenics.

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Emmett Shear@eshear• 6 months ago
Replying to @richmondie

@richmondie Where’s the logical error?

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6/7/2025
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Lucy R. Fisher@richmondie• 6 months ago
Replying to @eshear

@eshear Embryo screening your children is eugenics. So how can NOT screening them also be eugenics?

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6/7/2025
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Khalid@_KhalidRmb• 6 months ago
Replying to @eshear

@eshear People are very very irrational when it comes to these things that could reveal a genetic abberration within them. They'd rather hide and ignore it rather than face it and try to fix it. Unless famous influencers start doing this it won't catch on.

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6/7/2025
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Emmett Shear@eshear• 6 months ago
Replying to @_KhalidRmb

@_KhalidRmb I think most famous influencers are already selecting for luck.

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6/7/2025
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Matter as Machine@matterasmachine• 6 months ago
Replying to @eshear

@eshear You can't know which traits are better. The whole sense of evolution is to have DIFFERENT traits.

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6/7/2025
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Emmett Shear@eshear• 6 months ago
Replying to @matterasmachine

@matterasmachine Right, which is why you should select for luck, because then you’ll also luckily get the right traits!

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6/7/2025
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growthesque@growthesque• 6 months ago
Replying to @eshear

@eshear The mental gymnastics needed to argue that both non-eugenics and eugenics are eugenics, just to justify eugenics.

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6/7/2025
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Emmett Shear@eshear• 6 months ago
Replying to @growthesque

@growthesque Wait I’m confused are you in favor of selecting the lucky embryo or against it?

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6/7/2025
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truesteel@truesteel23• 6 months ago
Replying to @eshear

@eshear If you followed this logic Stephen Hawking would not have been born

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6/7/2025
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Emmett Shear@eshear• 6 months ago
Replying to @truesteel23

@truesteel23 You think Stephen hawking was unlucky???

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6/7/2025
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kevin@kkuehlz• 6 months ago
Replying to @eshear

@eshear with such a broad definition of eugenics then even spousal selection is a form of eugenics, and the meaning of the word is lost. deep thoughts often turn out to be semantic trickery.

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6/7/2025
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Emmett Shear@eshear• 6 months ago
Replying to @kkuehlz

@kkuehlz This was very very much not a deep thought

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latent space marine@xlatentspace• 6 months ago
Replying to @eshear

I would not be selecting for the lucky, I would be expressing the idea that there is no known selection criteria that maximizes human flourishing, neither in the individual nor the aggregate I'm not refusing, I just don't have in hand valid selection criteria (however, I'm mostly in favor of screening for down syndrome as that's kind of a very obvious case where not having it is better than having it - but I'm not sure if I'd personally support an abortion about it - probably not personally, but I wouldn't really judge someone that did)

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tithe@_tithe_• 6 months ago
Replying to @eshear

@eshear It’s insane how most of the replies have no idea what you meant by this.

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6/7/2025
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Emmett Shear@eshear• 6 months ago
Replying to @_tithe_

@_tithe_ To be fair it’s got 3 layers of meaning, which is basically guaranteed to overflow most people’s buffers when they’re scanning tweets.

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6/8/2025