[cowsandmilk]

everything in the article suggests they are looking to preserve this piece, not take it away from the city, I'm not sure where you believe your disagreement comes from, considering the inherently ambiguous definition of "ours". Thus far, the owner is out of pocket for security guards to protect the piece after someone vandalized it. In fact, most of Banksy's pieces have been vandalized, so sadly, it seems security is needed.