The fact that the sites name is a variation on "God hates X" makes me think this is a Poe of WBC. But that's being really optimistic. I would not be surprised at all if this was 100% serious. Even Westboro's vitriol is outclassed by a few of the non-Poe main page comments, which is horrifying to think.
Me and a friend once were going to call the WBC and fuck with them. After hearing the some of their prerecorded messages we were so disgusted and angered we hung up before getting through the the automated messages. After hanging up my friend who was listening via speaker phone just said after a few second of stunned silence, "dude... FUCK them..."