Political Art of Banksy Graffiti, London UK

Talk about Banksy Graffiti will never-ending. Virtually Banksy graffiti is an art of politics in a character. Talk and argue through the image so that it would be understood by many people, as well as a beauty. But many think that Banksy is an illegal and forbidden things, but it only partially. This is what makes Banksy is so controversial, but because it also just makes it that makes something art is phenomenal. What can you say to assess Banksy graffiti?
"Awesome and Amazing"