If Israel (or U.S.) can decapitate the Iranian leadership, it may provide an opening for a revolt to topple that country’s government. There is a significant population of disaffected youth in that country. They have tried to revolt before and have been crushed by the mullahs but it stands to reason that their a sizeable number of them willing to strike again if the situation is more favorable for their success.
Iran: Memo from the President to the Supreme Religious Leader