No that was an absolutely stupid explanation.
Rap was not created to glorify that stuff. Early rappers actually was either against that, or had no real message beyond just being party music.
What was being described is derived from gangsta rap, a branch of it that developed in the early 90s that shoved all of the clean acts like Run DMC, The Fat Boys, Will Smith and MC Hammer right out the door.
God knows what he thinks rap has to do with Europe’s issues. That’s reaching.