Blacks are more likely to obey the command to put their hands up when it is given in the form of an imperative lyric in a rap song than when it is commanded by a law enforcement officer. They need some lyrical sauce and seasoning; they don't respond to logic and reasoning, Maybe to gain compliance they could have done it 1985 style:
Throw your hands in the air and keep the motherfuckers right there The crack is cooking and you're going to booking so let me hear you just say: "Oh yeah!"
There doesn't seem to be anything here yet