[aeneasmackenzie]

This was old news decades ago[0] but people don’t want to hear it.

0: https://en.m.wikipedia.org/wiki/Mainstream_Science_on_Intell... an editorial written to tell the public that this is not some shocking, fringe claim. You can follow links from the page for the full text.

[frigidwalnut]

Thanks for that link. The Wikipedia article you referenced says "This view is now considered discredited by mainstream science."

There are still papers being written about how those analyses were flawed: https://www.pnas.org/doi/abs/10.1073/pnas.2319496121