I hate to hijack a review thread, especially for a preachy post, but some people seem to be missing the point even after reading posts responding to their complaints.
OCR isn't a site based on religion or anything like that. It is a site purely based on artistic expression to honor video game music. You're surely going to get people who use words differently than others may in a free-to-express place like this.
In this particular situation, you have complaints about the usage of 'Jesus Christ', that it isn't deferential. Not everyone is a Christian though - what do you do if one artist doesn't share your views here? People say 'Jesus Christ' all the time in colloquial usage as an expression of frustration/exasperation/etc., just like 'goddamn' - do you choose to rebuke every person each of those times?
In addition, Christians are supposed to be examples of their faith. Wouldn't it be considered petty if when faced with a non-Christian, and you choose to rebuke him/her for complaining about the usage of 'Jesus Christ'? I can't say doing so would constitute as effective evangelism, nor does it look good because you're complaining about something so minor in comparison with many other things such as someone following bad advice (i.e. they're angry at someone over something, but under someone else's advice chooses to avoid talking about it with that person and hold it against them).
Lastly, I know that Doug did not use this to offend. I'm a Christian and I find it hard to even be offended by his usage. It's not like the mix title is something like "Jesus Christ Did Not Exist". Even then, I would think the wise course would be to temper anger and foster discussion on the existence, not point fingers and say "You're wrong," or "This is offensive". Such direct phrases seldom get you anywhere, and here is no different.