The Bible, why always the Bible?

I was pleased to learn that the planned desecration by scribbling of the Bible in Glasgow's Museum of Modern Art has been cancelled. The defaced Bible is now displayed in a glass case whilst people are invited to scribble their graffiti on sheets of paper. The reprehensible stunt, sponsored by the publicly funded charity Culture and Sport Glasgow, was a calculated insult to the taxpayers whose money is being squandered. I wonder if the brave artists and their funders would have considered defacing a Koran in a similar manner; somehow I think their artistic bravery would not have extended that far.