Yale is the epicenter of the woke mind virus attempting to destroy civilization.
Paul Graham's immediate chime of support shows it isn't just a piece of random silliness on Elon Musk's part. And other things I've seen (eg the harassment of Amy Chua) certainly fit.
This amicus brief speaking up for racism and discrimination (as long as it is against those funny looking Asians) is a minor piece of the general pattern.