Atheism is the rational rejection of theistic claims until they satisfy their burden of proof. As such, it is the null hypothesis to whatever ideas theism purports to have. It's at least as strong, whatever that means in this context, as theism. Yes, I too have irrational feelings. They are surprisingly irrelevant to my atheism; unless you want to insinuate that I take the atheist position for irrational reasons, which you have to demonstrate.
At the age of five, Skagra decided emphatically that God did not exist. This revelation tends to make most people in the universe who have it react in one of two ways - with relief or with despair. Only Skagra responded to it by thinking, 'Wait a second. That means there's a situation vacant.'
