Sure sounds like a "cry bully" to me. Despicable behavior for sure, and it does validate his decision to not have her at the conference (after he was made aware that her participation at the conference would be highly problematic to others - particularly women, in fact).
Edit: Also a representative example from the twitter threads that were linked elsewhere in this comment thread: `"uh these people are like that, be careful. they take it out on someone, they see em as the enemy and they start to fuck legally, and you also start getting anonymous complaints". I feel like a fool, many knew and I did not. That's why these things have to be SPOKEN about, they shouldn't be hidden`