It is just a dangerous slope man. Do people have biases? of course. Are there still racists? of course.
But keeping this discussion in a vacuum of the sport, just because you play it, does not make you qualified to be a coach, owner, AD etc. Some of those "white guys" weren't athletic enough to play so they dedicated years a player was playing to coaching or doing whatever. Also, you are saying certain biases but those "white" owners and gms and coaches are the ones hiring players that as you mentioned are dominated by black people. I never liked the "rooney" rule because why force that on someone? Or why make someone the "token" just to fulfill some silly quota. I know businesses that have "diversity" models which call for a certain number of minorities. I dont want to get a job because I check a box over something I have no control over, I want to earn it. And what I meant by dangerous slope, you just mentioned how the sport is dominated by black people could you imagine in the NFL said a certain % of players on the team needed to be white, or latino to try and even the numbers?