Because it's in the aggressor's interest to point out the failures of others and scream: they did it too. But I lived under both and, while there are no angels

Because it's in the aggressor's interest to point out the failures of others and scream: they did it too. But I lived under both and, while there are no angels, I know which one is evil and which one is (flawed) good. Only one had to keep their people from fleeing their empire of misery with walls and guns.