ISRAEL MUST BE STOPPED NOW !, page-10562

"Just imagine, as a Jew, you would then “enjoy” all the hatred that others like you will hurl in your direction….and you could tell them , “But I’m a Jew, not a Zionist!”

Ignoring the huge volumes of Jewish-produced online venom against white people, I'd say this underpins another prominent reason for the reactions you're concerned about. Nothing like letting an entire nation know that, no matter what you think, a body supporting a foreign nation will shaft your political preferences.