There a couple of different issues here that needs to be addressed. One revolves around the states funding of the arts with taxpayers money, in which these Christians are having their tax euros absconded with to fund art that they themselves would never have funded if given the choice.
The second issue is how the state deals two sets of hands, one for the Muslims and the other for everyone else. If this were a bunch of mustards hooting and hollering their lungs out over some alleged violation of their religious rites, they wouldn’t be chased off for just protesting outside a venue.
That said, if indeed the show is funded with private money (highly unlikely) than those protesting should plain pick up and leave and not make a spectacle of themselves. KGS