What else is interesting about the rap scene, is the fake persona of many of the rappers.
Some queen rapper something or another always rapped about the street, doing drugs, etc etc but in 'real' life she was alleged to be the product of a lawyer and doctor, brought up in a gated community and never did drugs or even smoke cigs. She studied opera? She isn't alone.
In a lot of cases it's theater like anything else in the music scene can be. Even swfit isn't like her stage persona. It's to sell the product. Rap is no different in that regard.
About thug it seems to be reversed. They perhaps started as thugs and criminals, branched out into 'successful' rap but never dropped their main gig. Maybe crime was their main job.
Personally, I despise most forms of hard rap and it's not racial at all. For other reasons to do with art, plagiarism and such. I do not find it refreshing, relaxing nor much of anything else.