The problem is the remnants of the persian high-culture, that the theocracy broods over. Its capable of creativity and decapitating the leadership actually increased that throughput of destructive creativity.
Its like taking out hitler, who believed air-plane-pilots should fight each other with lances in midair. Without him, a jet-fighter, can be a jet-fighter not a bomber, same for the ayatollah.
U.S. Navy Turns Down Hormuz Escort Requests Because of High Risk
https://news.ycombinator.com/item?id=47348397