To answer the question: No, being an atheist does not automatically make you intelligent. Many atheists have a poor understanding of philosophy and theology just like many theists do, and some atheists have very bad justifications for being atheists.That being said, insofar as theism is considered normative in society, I do find that atheists are more likely to be intelligent because it requires a willingness to critically analyze and challenge established societal norms. Those who never question anything and simply believe whatever they're told are going to wind up as theists, by and large, because that's what they were raised as.This is a claim that is backed up by plenty of evidence; atheism rates among the well-educated are substantially higher than those among the poorly-educated. Among scientists, reports have cited numbers between 60 and 90 percent. So I would say that, on average, atheists are more intelligent. I am not saying, however, that all theists are unintelligent or that all atheists are intelligent.As a tangent, the use of the phrase "accept them into the fold" makes atheism sound like some sort of secret cult that's looking for recruits. Bear in mind that atheism is not a religion, please.