"Just because some graffiti has more color than others, or more time put into it, does not make it any less artsy than the one next to it."
I totally disagree, I don't see how anybody could consider someone writing "SCOTT 4 HANNA" at a bus-stop as art. Compare a piece by let's say Cope and some 10 year old writing his name at a bus-stop. Obviously one has to be more 'artsy' than the other. Time and effort make it more into art, I don't think it's fair to say that you can compare them.
It's alright saying that you should not do graffiti as you're throwing talent away. Many graffiti artists have become where they are now from being noticed on the streets, banksy/cope there's many I could name (those are the most famous). That's the insentive given, and people should have pride of what they've done. So many people will see your piece and admire/hate it, and to think you did it is quite an achievement.
Graffiti is art to me, i was wondering if you could do something for me. Could you make me a graffiti sign for me, can you make it say KottonMouthKing, because i can see you have skills if you made the other one. Ok Thanks man. - I'll have a go.