The same reason he got all them undeserving crackas on his list (besides Eminem) is the same reason yall purposefully keep Eminem out of your Top 10 and act like he's not even Top 50...because he's/they're white, lol.
We all got a little race prejudice/bias in us...as long as you aint harming nobody or stunting their growth economically with it you gucci. We come from African savannahs where we needed to be gregarious mainly with our specific "tribe" for survival purposes...maybe in another 200,000 years we will have evolved past that trait.