First you say it's brilliant, then you say it's "Eminem-like". Isn't that a contradiction in terms?
But I do agree with you that it has to be a parody. It's too ridiculous not to be.
It's a general practice amongst Christians to make hateful claims but they usually soften the blow with "....but repent and Christ will forgive you!" There's nothing of that sort on this site - they're just hateful full stop.