I shouldn't lol but lol I can't imagine how that poll would look, no way to come up with a non-bias creating question I'd guess.
But hateful people of all types are always way louder than the rest of us. And yes, lots of propaganda and legitimate fears will push some into the wrong. But I'm betting, just like the general population, the Jewish population is mostly good. All the ones I know and associate with certainly are.
How did you come across this knowledge?