Eh, he's obviously unwell mentally. He has issues with respecting women, which probably stems back from his relationship with his own mother, or lack thereof. That's, of course, only one of many existent causes that turn males into rapists.

Of course, the real question is why does this affect you so deeply. It's disturbing, sure, but you seem to be more deeply affected than, say, me. Maybe you can consult a T to help you work through this.