Hmmmm... dunno.
See, I quite like stuff like THIS:
Whereas stuff like THIS makes me want to give the culprits a good kicking:
Just to give it all a bit of balance, I think the 2nd type is a lot better and harder to do than the Banksy stuff, I don't rate it. So what, he makes a template from some bird in a upstairs / downstairs type thing and sprays it *shrugs*. The second one is far more skillful and difficult to do, looks easy but try it, even in pencil.
Maybe harder to do, but it looks like shite.
Agreed.