Classic thread by ZHP that came up recently - read the whole thinghttps://twitter.com/0x49fa98/status/1115279837172654081 …
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Replying to @CovfefeAnon
"Elephant seal maximalism" is correct, actually. Alpha traits are eugenic, beta traits are dysgenic. Female sexual selection is eugenic. All this "betas built civilization" is a nerd cope.
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Replying to @MihaiSimionesc2
Eurasian humans have not allowed free female sexual choice for 50k+ years. Compare the results to places that did.
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Replying to @CovfefeAnon
And for more than 300k years females practiced sexual selection. Compare to the chimps. Bantus don't have fem sex selection; the village elders, older women etc. select the husband, not the bride. Eurasia only had supressed fem sex selection 10kya, not 50kya.
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Replying to @CovfefeAnon
So 10kya, at the dawn of agriculture, were very violent times. What does that have to do with my arguments?
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Replying to @MihaiSimionesc2
Before 50kya Y chromosome diversity increasing at a very high rate; 50kya to 10kya the increase plateaus; 10kya it drops massively. Beginnings of tribal violence at 50kya which is removing Y lineages at about the rate they're being created
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Replying to @CovfefeAnon @MihaiSimionesc2
- implies violent selection. This goes on for a while and massively increases 10kya. Large scale violence implies little to no female sexual choice; defeat the men from the neighboring village, take their women - not woo them by dancing
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Replying to @CovfefeAnon
Ok, I got it. But the real drop in Y chromosome diversity happens 10kya. That's when female sexual selection was really stifled.
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You'd expect a rate of increase proportional to the larger base or continuation of the earlier trend of rapid increase in Y chromosome diversity but at 50kya, it slows - implies an increase in violence sufficient to offset the increase (but not yet enough to cause a drop)
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Replying to @CovfefeAnon
Not necessarily. A more likely explanation for the increase in diversity before 50kya is founder effects from spreading out of Africa. Then the population plateaus- not necessarily because of violence, but resource constraints. Then, 10kya the violence starts.
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