Either this is some bad faith actor in which case he is a disgusting fascist or he is being sincere in which case he is a disgusting moron well on his way to becoming a fascist.

Either way, he doesn't speak for the anti-genocide movement. Neither in Palestine or abroad. Those supporting Palestinian liberation are nearly unanimously supporting a free Palestine in which Jews and Muslims can live together as equals. They are shocked and revolted by the zionist genocide in Palestine for exactly the same reason they are shocked and revolted by the Holocaust.