I think it's very likely that there is uniform mistreatment of certain demographics even in the upper tails. I've never heard a racist admit someone of a disfavored race was smart, for instance. But I also think smart minorities sometimes overgeneralize from their own experience.
They're applying eugenics level pressures to us and we don't even breed. Do it to yourselves if you want improvement! God knows by % you're more trash.