here very simply, because as evidence by your Alchemist post in the Lesson, you struggle to acknolwedge things more complicated than your little "thinkers" box. their origin (south central) and experience (jail time) has everything to do with how and what THEY CHOSE to rap about. they had the same background all the "relateable" street rappers of their eras did, but they CHOSE to rap differently and about different shit.
you used it dismissively, than wanted to act like it's a little term you use to label things that are different.
Kool Keith IS weird. drank henny with dude on Melrose, that he had in a gun holster, rocking that Elvis wig with two fine ass white porn broads back in 2001. he spent 15min with me and they homey going off about how shitty rap was and how everybody stold from him