Bernie needs to drop out now and put his "supporters" in line. This is disgusting. These people are acting worse than Trump supporters at this point and are going against the very demeanor of their chosen candidate. Bernie must realize the longer he stays in the more damage he will do to the party. These people are one of the reasons I can no longer call myself a Bernie supporter.
It's not going to hurt anyone to stay in until next Tuesday (or the week after if he wants to go to DC). There is enough time to calm everything down between the beginning of June and the convention in late July.