As a little kid I had a girlfriend, and her boyfriend used to beat me up, so then I used to sing these songs, and that's what it's all about. Country music is all about your heart and your people and things like that.
In real life there are indeed black people who have been in the middle class for generations, but in entertainment it's as if they don't exist.
And the inner dynamics of Hollywood are like politics. Say you give a script to a group of executives - they all sit around, afraid to voice an opinion, saying nothing, waiting to know what the consensus is. Just like focus groups, opinion polls or a cabinet.

