Riiiiiiiiight, they're in the iranian government.I know that's false, because I'm Minister of Defense for Iran.
The arabs haven't succeeded because, unlike in 1933-1945, jews nowadays fight back.
http://en.wikipedia.org/wiki/Persian_Jews#Current_status_in_Iran
They're even independent of the theocracy (Iran copied the Ottoman Millet system in regards to Zoroastrians and minority Abrahamic religions).