It applies to atheists who suddenly stop being a tiny minority. Those who are still in a tiny persecuted minority keep their mouths shut, and those who've been

It applies to atheists who suddenly stop being a tiny minority. Those who are still in a tiny persecuted minority keep their mouths shut, and those who've been in the majority for a while don't bother talking about it. (Sources: the bible belt, the bay area, and /r/atheism.)