As Jay Z said so eloquently and obtusely a couple of years ago, the NFL is past kneeling. The league is seemingly also past placating videos and on-field displays in trying to fix its decades-old problem with racism and diversity. The NFL is now pulling out all the stops in trying to let everyone know that it is real serious this time. And they really mean it. Of course, the Brian Flores lawsuit, accusing the NFL of racism, probably helped jump start the league’s efforts more than Jay Z’s Super Bowl halftime shows. In March, the NFL also announced the creation of the Diversity Advisory Committ…