Explained in this link. Basically, he bullied and shut down a female caller who said she'd be frightened to share a changing room with men. He didn't just take an opposing view - he ridiculed her.
Yet another liberal bro reveals himself as a misogynist. And a stupid one. Even if he doesn't care about women in general, he has 2 pre-teen daughters. Will he really want them changing and showering with men?