You're right tadou. The atheists I know are some of the most uncaring, heartless, immoral people ever. Wait, that's...not true at all.
And you neglected to mention that Russia and North Korea were built on rampant totalitarianism, a fact a bit more relevant than the official state religion.
If the Pol Pot regime used Wheat instead of Rice as its natural food, those 1.8 million Cambodians would still be alive!