I mean, have you looked at the resources linked on the Twitter thread he links to in that post? To call it "damning" is an understatement.
It would be different if he came out now and said "here are the things I said then, here's why I said them, and here are the reasons those were problematic and wrong; I no longer align myself with those views." But instead, he dug in his heels saying that this comes down to suppressing scientific inquiry for ... not buying into eugenics.
It would be different if he came out now and said "here are the things I said then, here's why I said them, and here are the reasons those were problematic and wrong; I no longer align myself with those views." But instead, he dug in his heels saying that this comes down to suppressing scientific inquiry for ... not buying into eugenics.