In actuality, it is a polical ideology, advocating world domination and a global state run upon the personal, sociological, theological and political tenets of islam.
We have not figured this out yet. It's like we allowed Marxist Leninists to run schools and indoctrination centers, summercamps and whatnot during the 50's. Of course, communism pales in comparison to islam in the danger it poses to all non-muslim states all around the world.