Steven Pinker at Davos:

‘…[P]olitical correctness may be responsible for feeding some of the most odious ideas out there, developed by tech-oriented loners who grow such thinking in isolation from the mainstream discussion.

Pinker pointed out that by treating certain facts as taboo, political correctness helped “stoke” the alt-right by “giving them the sense that there were truths the academic establishment could not face up to.” He said the alt-right feeds on overzealous political correctness, pushing back with wrong-headed ideas that develop in their own bubbles – ideas on differences between the genders or capitalist and communist countries or things like crime statistics among ethnic groups….’

Via Big Think