He was basically a drug addict with heavy alcoholism who made a lot of bad life choices. Then he was shown some things that woke him up to what is really going on in the world and has changed his music in order to point out the stupid stuff.

In addition, that's basically what you're expected to look like in order to make it in the modern hip-hop/rap scene. He went head-first into the white rapper look and has decided to keep rolling with it.