John Stuart Mill said that we need to hear the very best arguments on behalf of views that we reject,” he points out.

“I’m not going to learn a lot from having an encounter with a professional troll.

“The argument has to be with someone who sees my anti-racist position and disagrees with it, but disagrees with it in something other than just an angry, trying-to-start-a-race-riot kind of way.”

Given that Yiannopoulos describes himself as a “troll” who “gets off … when people are yelling in the streets”, it seems difficult to argue that his contribution to campus debate is a positive one.

via Free speech or troll-bait? Why university campus provocateurs lean to the right – Analysis & Opinion – ABC News (Australian Broadcasting Corporation)