I think you may be reading the GP's implication in a different direction to me. While it's not completely controversial to observe that not all anti-Zionists a

I think you may be reading the GP's implication in a different direction to me. While it's not completely controversial to observe that not all anti-Zionists are also anti-Semites (although I do hear some who would hold that view) it's more believable that anti-Semites would pretty much automatically also be anti-Zionists.