Comics don't work if the story is all in the text and the images are illustrative. It's hard to have enough faith in the artists to allow them to do their job.
When you've been raised in care rap music isn't just about guns and sexism. They're talking about real things you can hang on to problems of identity that you have sympathy with. It's not just about the music with rap: when I was in care it meant a whole lot more than that.