It's not about religion. Don't fall for this narrative.
Iran has its Jewish community which has political representatives.
At the end of the discussion Khomeini declared, "We recognize our Jews as separate from those godless, bloodsucking Zionists"[62] and issued a fatwa decreeing that the Jews were to be protected.
The thing is, Israel's behaviour is not new. The populations in the Arab countries already had that sentiment for more than a decade (cf. Osama bin Laden's letter to Americans). Now awareness is reaching the people in Western countries.
It's not about religion. Don't fall for this narrative.
Iran has its Jewish community which has political representatives.
Wiki article