Because Israels government doesn't have any interest in using nuclear weapons on Iran, or the population there. Iran's government states time after time they wa

Because Israels government doesn't have any interest in using nuclear weapons on Iran, or the population there. Iran's government states time after time they want to wipe Israel off the map. Whether they would actually do it, I don't know, but it is part of their politics, like other issues are in the USA. Also because Saudi Arabia and Israel, nor any of the other countries we are allied to want them to have nuclear capabilities.