How can you believe in Anti-Zionist propaganda while living in Israel?

I honestly do not get how some Israelis living right there can fall so hard for anti zionist propaganda, like there are leftists who seem to hate Israel and repeat hamas talking points, they keep pushing for this whole one state for all idea while completely staying in denial about Palestinian antisemitism and what happened on oct 7

So many of the victims back then were leftists who believed in peace and it feels like these anti zionists don't even care about them, where are the Palestinian peace organizations? because you see plenty in Israel but never over there... how do they convince themselves that denying jewish self determination is not antisemitic, why can they not just be normal and support a 2SS instead of pushing narratives that ignore reality