TL;DR I give up -- so if Diane started out, as the article says, by "pre-gaming" i.e. drinking a few shots before the party, and overtly initiating the sexual a

TL;DR I give up -- so if Diane started out, as the article says, by "pre-gaming" i.e. drinking a few shots before the party, and overtly initiating the sexual aspect of their interaction by grabbing Jack's crotch, why is it that Jack is presumed to be the one who created a "hostile environment"?