Yep. That's pretty well it, i think. And the Taliban will be - COULD be - more motivated to ease their zealotry because they now have a country and could benefit from negotiation with the West. IS and the rest on the other hand, around the world, are as any other band of religiously-driven criminals.
It was Plato who said, “He, O men, is the wisest, who like Socrates, knows that his wisdom is in truth worth nothing”