In this case, I think the term fits. And I'm comfortable in denying their manhood. They're not men. They're angry boys, sometimes in a grown man's body.
This is legitimately one of the most sexist things I've seen put in so few words. I hope others understand why. The insistence in making the conversation about men's sexuality and value to society relative to presumed gender roles (instead of the nature of the threats or Sarkeesian's influence) is baffling.