Populations whose nations are under attack rally around their leaders. Always.
until they are dead. Hitler, Saddam, for starters,
Think about it. If all of a sudden power plants start tripping and there is no evidence of who is doing it, who will be blamed? The LEADER will be blamed! It is called COVERT action. If the US bombs Iran, THEN support for Khamenei and the mullahs will rise in popularity.