"I consider this whole experience to be a disaster on many levels," said Banksy, a few days before the UK premiere of his documentary film, Exit through the Gift Shop. And with that, the wall-stenciling hype-meister set a sardonic tone for his directorial debut, a movie that he didn’t even really direct (at least not in any traditional sense), and whose starring role is not taken by him, but by an eccentric Los Angeles-dwelling French character who calls himself Mr Brainwash
