Sure, it sounds laughable, but if you've ever talked with atheists, you know many of them take their irreligion religiously. Like G.K. Chesterton said, if there was no God, there would be no atheists. Link. Excerpt:
A federal court of appeals ruled yesterday Wisconsin prison officials violated an inmate's rights because they did not treat atheism as a religion.
"Atheism is [the inmate's] religion, and the group that he wanted to start was religious in nature even though it expressly rejects a belief in a supreme being," the 7th Circuit Court of Appeals said.
