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Culture War Roundup for the week of July 28, 2025

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Why is that exactly? I'm genuinely quite curious.

Just to be clear--you're against gene editing for moral reasons, rather than "we don't know enough and shouldn't mess with it" reasons or something else, yes?

If so, we know of a good number of traits that are influenced by genetics, and generally cause people to live better lives. IQ, self-control, disease risk, general positive vs depressive temperament, etc. Even something like superficial beauty might be slightly positive for society overall. Wouldn't you rather these advantages be accessible to everyone, rather than just those lucky enough?

Editing and screening are two different things, though I'm not particularly supportive of either.

In principle I have no objection to genetic medicine. If we could alter somebody's genes so as to end or remove illnesses, that would be a good thing. However, the line between medicine and enhancement is, in practice, pretty murky. If we could use gene editing to genuinely cure Down syndrome, that would be good, but in practice I suspect that if we had that technology it would inevitably be used for enhancement - that is, in an attempt not to improve the lives of actually existing people, but to manufacture better people. I think the risks of instrumentalising human life that way are considerable.

Screening is a step beyond that, isn't it? Screening is the equivalent of aborting an infant with Down syndrome prior to birth, only quicker and more efficient. So all moral objections there would apply.

genetic screening doesn't make it available to anyone who otherwise had an issue. Those people just don't get to be alive.

I’m not convinced that it makes sense to count potential people as, well, people.

The eggs which are never fertilized don’t get to be living people, either.

That isn't really how people think about counterfactual people in other contexts. Relevant post from Scott:

Who Does Polygenic Selection Help?

This isn’t about counter factual people. You’re starting with the premise that’s under dispute.

Maybe.

It seems to me that this requires the belief that a person is defined by their DNA, either 1. axiomatically, or because 2. the soul exists, and is inextricably linked to one's DNA.

Counterpoint--in the aftermath of Chernobyl and the atomic blasts in Japan, we have empirically witnessed people with tremendous DNA damage survive for several hours or days. Many of them could still talk, express their memories, behave as they always had. Due to the alterations in their DNA, would it be accurate to say that these people were, in fact, entirely different people to what 'they' were before?

This analogy doesn’t make sense. We’re not talking about genetic manipulation, we’re talking about picking which embryo is selected.

I don't see how that relates? In fact, it seems like an instance of the same mistake?

Both genetic screening and treating someone differently after DNA modification seem like genetics-based discrimination. In both cases the correct approach is the same, which is to say that people or their worth cannot be reduced to genetics. Genetics do not encode personhood.