This isn't Nazi Germany or Imperial Japan, with their large technical industrialized societies that we're fighting. These buffoons live in the 7th Century, if the Western world lets loose its might, we can stomp them in mere months. We just don't collectively have the will to do so yet, and more Americans and Europeans are going to have to die before their leadership gets the point that something decisive needs to be done.
I've thought that the current situation is the mirror image of WWII: US Presidential candidates were making speeches about "keeping us out of Europe's war" after Hitler had already marched through the streets of Paris. It took an attack on us to get enough of us to see that it was our fight, too. That's what I envision happening to the Europeans.
I have not written them all off to evil yet.
I think many are uneducated dupes that go along with whatever sounds like it might give them a future.
That is why our strategy to elevate the good Muslims has a good chance of working. Give these people property, a job and a house and suddenly blowing yourself up for Allah does not sound so good.