Wasn't Saddam destroyed? Wasn't Gaddafi liquidated? Didn't...

Wasn't Saddam destroyed? Wasn't Gaddafi liquidated? Didn't Milosevic go to the Hague? All true. But Stalin survived. Kim Jong-un isn't doing too badly, either - though that's probably because he actually has nuclear weapons, as opposed to Iran which might or might not be trying to acquire them and thus remains on the Israeli-American target list.