People are only atheist because they think it makes them superior over others. Same with vegetarians.
People are christian because they're stupid.
See, I can do that too. It doesn't make it true. Again, refer to the text I quoted. That'll inform of of why I'm atheist.
No, there is no proof stating the absence of a God or Gods, but neither is there for my imaginary friend Bill. The only evidence following it is contradictive and ultimately states it cannot be true, rather than helping it out. However, considering the possibility that these gods aren't as we depict them, there's a possibility. This possibility is consistent with the notion that a coin can be flipped to a nonexistent side. You can keep trying, even though it won't happen.