The thing is that attacks are made against Christianity all the time in the Backroom. People constantly mentioning the crusades with comments about how warlike and evil Christianity is. People making comments about how oppresive it is. Heck, just look at what people were saying about Christianity on the Satanism thread. A small example, but one that comes easily to my mind, as I was debating some of them there. (note, debating, not reporting their posts and calling for them to be banned)
The moderation is completely hypocrytical, as it is perfectly acceptable for people to constantly make derrogatory remarks about Christianity, yet one cannot give their opinion on islam if it is not politically correct and in agreement with the opinions of the moderators.