So if you don't originally believe in a god, then not having it doesn't result in mayhem and total destruction, but having it and losing it does. A broad statement, with no support, and something that seems to fly in the face of the loss of belief in god in Europe, and more distantly, in the...
This is a conclusion without supporting argument. Buddhists have lived in this world for some time with few believing in a god, or certainly no god like you define, all without mayhem and destruction. Typically with a great deal less wars in the name of religion, as a matter of fact.
You are...
Either you believed in god or didn't. If you were full of rage at him, then, by definition, you were not an atheist. To say you were doesn't sound like you were being honest with yourself.
There are certainly atheist that rage against theism, but that's not the same thing.
Regards,
Glenn