Good point, there are no examples I can think of where anyone has portrayed #eugenics positively in fiction.https://twitter.com/asbdahfg/status/1451190937179148288 …
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I think "selection for attraction to X" should lag "selection for X" even where mate choice is free: gender-specific adaptations evolve less efficiently where there is sexually divergent selection. (This means your point would hold even if mate choice was free.)
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This is actually a complicated problem I need to think about more. Suppose peacocks move to an environment where a large tail is likely to get them killed. So it's strongly selected against. But peahens, who exercise free mate selection, won't readily stop choosing larger tails.
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They're choosing traits selfishly, mating with criminals so that their sons can free-ride on society.
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Still too optimistic. Serial killers and school shooters don't free-ride on society - they're not getting any (material) benefit out of it.
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