The Mongol empire set islam back by 300-400 years and would have crushed it if the nadir didnt come at a time of succession. That beat-down weighs heavily on them. They are tightly bound to their holy sites. In their minds allah stays the hand of the infidel with respect to dealing them crushing, demoralizing blows.
You level the major sites and knock off a few hundred of the highest scholars in the worst pest holes like SA and Iran and youll be a long way towards a reformation in it.
To dilly dally around is to only give it time to become better armed and more adept at operating efficiently in a high tech threat environment.
Yes. Hurt them enough and they’ll back down.
That is why Israel matters -- the Islaic nations don't care about the Palstinians, they care that the dome of the Rock does not fall into non-Mozzie hands.
If we go in and destroy Mecca and Medina, this will cause an utter disintegration of the trumphalism of slam.