Then look at the lingering difficulties with re-incorporating the former East Germany into unified Germany. The point is the same - the plague of communism is worse, runs deeper and is more difficult to eradicate.
40 years of communism in Eastern Europe, vs. a decade or so of fascist rule in Italy and Germany. Also, even before the war, Eastern Europe was technologically and economically behind the West. Poland used horse cavalry against the German blitzkrieg! You can't compare the two.