If you think only 50s Conservatives find some parts of rap questionable I propose an experiment. Show some NWA lyrics without attribution to a young, progressive audience, there's some interesting takes in there about homosexuals, jews and women.
Of course we don't even play 90% of that stuff any more because any radio station would be cancelled within five minutes and not by conservatives.
This is what conservatives have been crowing about since the 40/50's when black music started dominating the airwaves. It's a really old argument that is literally moral panic with no proof. I thought maybe you had some new thoughts to add, but you don't.