Jews left Arab stats on their own accord because of rise of Zionism.
Arab were the only folks who accepted Jews in the first place as they sought refuge from Nazi Europe
No. Speak to Persian and Iraqi Jews about their expulsion.
You can also look up arab violence and laws against Jews at any time you like. When the belief system mentions fighting Jews at the end of time when the trees will reveal them (except the evil Jew loving tree, yes really) you tend to act on those beliefs.
I don't know where you got this narrative from, but it doesn't align with historical accounts at all.