I wouldn't say, "stay out of the religion section." I would say, "don't go attacking people's beliefs and cherished customs, unless you know what you are talking about." YOu do realize what you posted implies that Christmas is pagan idolatry, don't you? I'm sorry if you didn't exactly get a warm welcome, implying people are idolators is not the best introduction you could make. (And I'll admit, some of we FReeper Catholics get a little touchy about people implying we're idolators.)
The actual idolators might not mind ... I seem to recall we have (had?) a fellow here who claimed to worship the Norse pantheon ... and there are one or two others who claim to be pagans, or wiccans, or some such ...