If you have a superiority complex, you become an ideal opponent.

CNN: Jim Camp's top negotiating tips

At this point one of two things tends to happen: either the atheist remains in the clique that inflates their superiority complex and the atheist eventually loses interest in the movement, or the atheist learns a thing or two about how to properly address theist claims in more than just canned or general terms.

FORBES: Religion vs. Atheism Part Two