"A vote is not endorsement" They are actually synonyms. The option that does not support Israel's genocide is not voting for anyone who facilitates Israel's genocide. The genocide may continue, but at least you wouldn't personally be actively voting for its continuance.

And that just ignores that of the two, Trump will let Bibi get away with anything. I can engage with activist groups to try to sway Kamala on this. Trump does not give a single fuck about the Palestinian people and never will, especially based on liberal pressure. It's the least shitty option.