He also said "Populations have significant overlap." and "Reducing people to their group identity and assuming the average is representative ignores this overla

He also said "Populations have significant overlap." and "Reducing people to their group identity and assuming the average is representative ignores this overlap (this is bad and I don't endorse that)" This text was in a diagram caption that (along with the embedded hyperlinks) was stripped out of the version that most people saw.