Ah, but Ultras, communism has never really existed. Stalin imposed his own version, Stalinism on them. With him as a dictator, it is already obviously not communist (unless you think he was equal to the rest of the Russians).

Anyway, all of you are talking about World War II only. That isn't all he did: he almost destroyed his whole army before world war two: he killed most of the members of his Congress, I think it's called, killed all the old guard Bolsheviks, rivals, and most of the capable army and navy commanders. This is why he had to sacrifice so many Russians in WWII. You can't really blame him: it was them, or German occupation, German victory and a German Europe which would probably lose much of its population under Hitler. A hard choice to make, but necessary...

But of course, this was only because he weakened the USSR so much before the Second World War. Unwise move by Stalin.