Amazing Banksy Street Graffiti - Art or Vandalism?

Banksy Art is a unique arts and attracts many parties. Born from a hidden street art. It is not known who makes them but many pundits speculated that the artist named Robert bank. Banksy birth of an idea that sends a message in a work. His artworks are Often satirical pieces of art on topics Such as politics, culture, and ethics. His street art, the which combines graffiti writing with a distinctive stenciling technique.
So actually Banksy graffiti is an Art or Vandalism? Depending you react to it. And below are some of the Banksy picture which gives a critique of government and society itself.

Please give your comments about this graffiti image, Thanks....