Tankie is such a weird thing to call these communists. They are way way less violent than liberals and conservatives are. They don't even support any on going genocides like the others do.
when someone deliberately does something violent to innocent people, attacking them *first * and you respond that they have the right to "defend themselves", yes you are complicit.
Israel isn't and has never "defended" itself. It is the instigator of this conflict.
That is what they hate.