It’s because he says things like this, from a post earlier today:
I stand by my comment around the use of the term “sexual terror” as demagoguery. Show me where that phase has been used in the English language prior to the widespread terrorist attacks of the latter part of the 20th century to present and I will concede the point. Otherwise – in the context of the interview with it’s inaccuracies, vitriol and sloppiness, that phrase is merely a rhetorical flourish that punches up the inaccuracies and vitriol.