Should graffiti be judged on the same level as modern art? Of course not: It's way more important than that.
Graffiti's always been a temporary art form. You make your mark and then they scrub it off.
I don't know why people are so keen to put the details of their private life in public; they forget that invisibility is a superpower.
Painting something that defies the law of the land is good. Painting something that defies the law of the land and the law of gravity at the same time is ideal.
Art should comfort the disturbed and disturb the comfortable.
Bus stops are far more interesting and useful places to have art than in museums.
Bus stops are far more interesting and useful places to have art than in museums. Graffiti has more chance of meaning something or changing stuff than anything indoors. Graffiti has been used to start revolutions, stop wars, and generally is the voice of people who aren't listened to. Graffiti is one of those few tools you have if you have almost nothing. And even if you don't come up with a picture to cure world poverty you can make somebody smile while they're having a piss.
There are four basic human needs; food, sleep, sex and revenge.