On another thread [the same subject] I was comparing them as 80-proof vodka vs. 190 proof Everclear grain alcohol. Look at the relative ease and speed of denazification of Germany (or de-fascization of Italy) and compare with the difficulty of decommunization in Russia.
I'm not sure that Germany is really as denazified as we would like to think it is, but Russia is even less decommunized. Italy was a whole different ballgame. When they finally got the chance, they settled Mussolini's hash in a rather decisive fashion. More than any other occuppied country, they resisted Nazi racism, and when the USA finally came calling the Italian army just said "F*($ it", and vanished. Why fight to the death for something you don't believe in?
The difference is, we occupied Germany, Italy and Japan at the end of WWII. Nothing comparable happened to Russia at the end of the Cold War.