The reason the mural doesn't continue to the ground is so the graffiti artists could do a bit of their own work. While they're perfectly capable of doing a conventional mural such as the top half of my building, there needs to be a certain amount of compromise from both parties. It's fine if regular graffiti doesn't do anything for you, but that doesn't mean it isn't art. You're being entirely subjective.
Here's another building that was done by the same large group of artists, and on this building they didn't do any actual graffiti. It is strictly a conventional mural. I know for a fact that some of the artists that've worked on these buildings have curfews and have been involved in the crackdown on graffiti. But they still work on these types of walls to do what they love. It's really unfortunate that there aren't more legal opportunities like this for the graffiti community.
