It's a catch 22, the only way for black actors to receive awards is to have black film studios and black award shows but because black people are poor, those movies will only gross half of what white movies will, also it's hard for movies starring blacks to make any money overseas, usually it has t be a black actor with massive name rec, the western world is white, and lets talk about reality
MBJ was a token in the movie, data suggest that having a 50% non white cast makes more at the box office than a 80% white movie
https://variety.com/2016/film/news/diverse-movies-global-box-office-study-1201736373/
12 Million Opening Weekend, there's no point putting this on the big screen, the cast is 100% white, maybe adding a half black cast would have increased the box office
Box Office Pro says 81 Million https://www.boxofficepro.com/weekend-forecast-star-wars-the-rise-of-skywalker-chases-85-100m-second-frame-could-overtake-the-pace-of-last-jedi-little-women-uncut-gems/