I don't even know what their cause is? They've completely given up the pretense of a ceasefire and it just seems to be anti Jew. If they really cared about genocides, wait until they hear about Ukraine.
I went to college when the US invaded Iraq. Anti-war protests were happening all over campus. Protestors were very careful to not target Muslim and Arab students. There's no way the left would just be waving this off like they are if you replaced Jews with blacks.
As long as there are no bodies, it's ok to harass and intimidate Jews. Now if they were wearing khakis and carrying Tiki torches, that would cross the line.
I never paid much attention to him. I assumed he was a successful businessman. I knew about the bankruptcies but thought it was just him being clever. Didn't take long to see he is a fraud and grifter.