Sorry, since when is "I am not going to air personal shit in public" a problem... Don't get me wrong, I really don't like her but I think adults usually refrain from shitting on each other, unless for some very good reasons once they end a relationship?
So she knew and the proof is that she didn't say anything. Sure. Q.E.D.
The accusations are genuinely terrible. However. his whole "oh, I knew it, there is this short story" or "oh, of course, we should have seen the signs" and the sign is the font of a particular graphic novel panel.