Listen they use established black figures for a co-sign. I’m not saying anything about their talent but once they see a black artist co-sign a white one they can then push it to the black demographics. Black people wasn’t checking for Em before Dre. He was known on an underground level but once he got that Dre co-sign he took off. Then he became the voice and face for a lot of white people who wanted access to hip hop. See white people always supported hip hop but Em gave them a face on the mainstream level.