If the USSR stil was in existence would we really expect the Mooselimb problem to be any better? I'd think that the USSR would probably be stirring up and arming the likes of Al Qaeda.
Furthermore, if only the communists were gotten rid of, Russia (as in all of the USSR) would have resembled the old Empire, as it's doing anyways, and yes, they would have pushed the Islamics down, just like they did before.
Starting with Tsarina Elizabeth, the Muslim lands were open to missionaries from all denominations of Christianity.
That's what many in the West can't get through their heads. They want to keep thinking of the Russians in the frame of the 1970s, Russians think of themselves in the frame of the 1910s and the reality on the ground is nothing in comparisson with the drival that these "experts" pump out...experts, mind you, the majority of which have never stepped foot in Russia (most never stepped foot in the USSR either for that matter).