In fact the key prejudice that drives eugenics is something now Juan to be definitively false (that all "positive" traits are correlated, that physically healthy and beautiful people are also competent, virtuous and wise)https://twitter.com/Simon_Whitten/status/1228991252106039302 …
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This is at its most absurd and obviously evil in the form of Nazi race science (humans are supposed to be pale and blonde and blue eyed and melanin is a sign of bad genes creeping in) but in broad terms all eugenicists believe in something like this It's what the "eu-" means
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And this is absolutely not how evolution works It is the *opposite* of how evolution works The whole *point* of evolution is there is no single definition of "fitness" "Fitness" literally means *how well you fit* the world around you, which is always changing
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This is why the traits eugenicists want to breed for *don't exist* There is no such thing as "intelligence", singular That is a word we use for being competent at solving problems, but the kinds of problems that exist in the real world are diverse and ever shifting
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What it means to be "intelligent" depends entirely on the world you happen to live in, and people live in a lot of different worlds, both across the population and over time
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If you try to make the human species "more intelligent" by selecting only for neurological traits you think of as positive and killing everyone with traits you think of as negative, you will ALWAYS be making humans "less intelligent" Throwing out most of the tools in the box
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And that's even assuming you halfway know what you're doing, which Nazis usually don't The absurdity of trying to make "better" humans by breeding for tallness or blondeness or whatever traits the architect of genocide thought were sexy, and thinking "intelligence" comes with it
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The same logic by which we tried to create "better" dogs based on aesthetically pleasing muzzles and just created a breed that spends most of its life struggling to breathe
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End of conversation
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The amount of shit we've gotten in our life for being short, especially in a family of tall people? It's disgusting. At one point we were so affected, we almost got the torturous bone-lengthening surgery. (We have growth hormone resistance dwarfism)
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In fact, short people have an advantage when resources are scarce: a 5' person uses half the resources of a 6' one: food, clothing, etc. Not advocating! And apologies for the diversion.
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