I've heard real estate people call this legalized extortion, since you have to select a graffiti artist with enough reputation that others don't mess with the piece.
I’ve heard such reputations involve not only the caliber of the art, but also the retributive consequences the artist and friends are thought to impose on people who deface their work…
>real estate people call this legalized extortion
I hope they know what some say of the real estate agent.