Graffiti is only dangerous in the mind of three types of people; politicians, advertising executives and graffiti writers.
BanksyThe time of getting fame for your name on its own is over. Artwork that is only about wanting to be famous will never make you famous. Any fame is a by-product of making something that means something. You don't go to a restaurant and order a meal because you want to have a sh*t.
BanksyTraditional graffiti writers have a bunch of rules they like to stick to, and good luck to them, but I didn't become a graffiti artist so I could have somebody else tell me what to do. If you're the type who gets sentimental about people scribbling over your stuff, I suggest graffiti is probably not the right hobby for you.
Banksy