Even if these populations were not reverting to their natural state. The ones who really don’t want to live like that get out. I had a native friend who’s dad used all the free education to become a dentist and didn’t move back to the reservation. Similar with talented tenth blacks. Their genes self select out of these places. As generations go by, the only genes that are left are people who can be comfortable with it. It will never change now.
Even if these populations were not reverting to their natural state. The ones who really don’t want to live like that get out. I had a native friend who’s dad used all the free education to become a dentist and didn’t move back to the reservation. Similar with talented tenth blacks. There genes self select out of these places. As generations go by, the only genes that are left are people who can be comfortable with it. It will never change now.