Some "humor" does trivialize the sacred, dismissing God and His laws. That would be "bad" humor.
These outtakes, though, point to the faultiness of humanity, without denigrating the One being portrayed or His story. I honestly don't see these outtakes (if they're real) as necessarily "bad."
These are fake. They were invented to mock the film - not the subject of the film, but the film itself.
Evil could not dissuade Mel Gibson from making the film. Evil could not get theaters to refuse the film or to stop the initial wave of viewers from attending. Evil now wants to mock the film to dissuade further viewing, to embarass those who see it, and to trivialize any sort of spiritual experience someone may have as a result of seeing the film.
I know that it is just a movie. But it is a good movie made by a good director that tells a good story with a good message that will have a good impact upon good people. Evil just can't resist...