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Culture War Roundup for the week of October 24, 2022

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I'm not sure that hereditarianism vs environmentalism matters all that much if one believes that IQ scores are predictive across populations and that the interventions that have been tried do not last/work long term. (Not every environmentalist believes this of course.) It's like arguing over the Copenhagen interpretation vs the many-worlds interpretation of quantum mechanics when all you're doing is using the math to calculate the band structure of a semiconductor. But interpreting a model rather than using the model to make predictions seems like a secondary concern.

I think the distinction would be that hereditarianism mostly rules out the possibility of an intervention that could work even if it hasn't been discovered yet, while environmentalism would suggest that better or more extreme interventions would work (in the most extreme case, baby swapping, though I don't think any serious environmentalists actually advocate this). It's like the distinction between a mathematical theorem that has had no counter example found but is still open, versus a mathematical theorem that has been proven/disproven.

In the quantum mechanics case, there is no practical testable distinction and never will be, but in the HBD case there's the potential for a distinction in the future even if there's no meaningful difference for most people in the short-term.

I think the distinction would be that hereditarianism mostly rules out the possibility of an intervention that could work even if it hasn't been discovered yet

Does it? Unless the IQ is directly influenced by the same genes that cause increased melanin production, protect against malaria, make your hair kinky or give you big flat noses and fleshy lips, you can always intervene. Even if the specific genes are unknown (and thus embryo selection will not work), it will take just a few generations to breed lower-IQ genes out of the population if you do it aggressively.

I guess that's a good point. So really it means hereditarianism rules out the possibility of behavioral interventions on the individual level but allows for genetic/eugenic interventions on the population level. Which are less useful given you can't apply it to already existing people, and generally less tasteful to most people, and harder to enact ethically. But theoretically tenable if you can pinpoint the actual IQ genes.

This is true in the fascile way that an Oldsmobile can go as fast as a race car so long as you replace everything but it's body with racecar parts. Sure, granted, but this world is identical in every meaningful way than if it weren't true.

To stretch the analogy, GM is 100% allowed to revive the Oldsmobile as their performance marque.

Sure, straightforward selective breeding and culling might work. But it ain't gonna happen.