to let liberal Hollywood pat themselves on the back with fake racial progress and diversity while all at the same time maintaining the Hierarchy of white male dominance in popular media
it's the same as the inferior asexual black best friend .... the magical negro that's magical for everyone but himself... mentor/ leader/ teacher of color who's only purpose is to better the
white male lead so he can became the "mighty whitey " hero of the story
same old same old
and of course you will have simple black's who fall for ruse talking about "for the culture" "cookout invites" and "black cards"
DC/Warner Bros. rebooting superman and casting Alfre Woodard as Martha Kent... Clark having a biracial sister popping up out nowhere being in a love triangle with Jimmy Olsen and Lex Luthor