There are four components to this. In no particular order: intelligence measurement, validity of racial division, genetic components of intelligence, genetic variation between groups. Your articles address the second point.
Based on the easily googled wide availability of this information and given the environmental causes of IQ differences, I wonder if an easy scientific corollary is that racists must have environmental factors behind their inability to comprehend the established science in this matter. LoL
[3] https://doi.org/10.1073/pnas.2322874121
And, please, be mindful of the difference between arguing discriminatory policies (racism) and finding the facts about the world we live in (science). And it would be interesting to know what contributes more to groupthink, genetics or environment.
Are you suggesting the listed papers are incorrect? Do you have any published science to support your argument?
> Environmental variability clearly can't describe 100% of intelligence variability. Twin studies show that.
Sauce?
> And, please, be mindful of the difference between arguing discriminatory policies (racism) and finding the facts about the world we live in (science).
The papers I listed are about the science not supporting the racism, literally.