It's also in my experience the most terminally online leftists are the ones going online complaining about other people not voting instead of like actually doing organizing. I certainly don't see a lot of them outside the internet or when doing things that actually matter instead of putting a piece of paper in a box thinking it changes anything.
I don't think that's any indication of the degree of genocide he would support. The precedent is clear, if you're president of the USA you 100% support Israel and anything Israel does.