He's long passed into the "live long enough to see yourself become the villain" phase. He holds views on racial politics and race-intelligence issues whose evidence chain has been provably traced to "white-shoe racists", racist thinkers like Charles Murray with a patina of intellectualism and scientific rigor.
Links to actual villainy would be convincing. You know what isn’t? Claims that he espouses opinions which was also held by some other person who might have been bad in some way.