Yep. Realized the confusion!
> I feel like the majority of anti-jew sentiment is from pro-palestine arab people and adjacent
Most people haven't met an Israeli or traveled to Israel.
Also, most users on HN are Americans or Northern European who overwhelmingly use Reddit, so everyone has some weird fringe mentality about one side or the other.
Honestly, most Israelis and Arabs act the same - I mean most Israelis are Mizrahi and normal/collquial Hebrew is heavily Arabic based (where else will you here people say "Yalla" in every other sentence)