"Leo should have gone in blackface" is an hilarious, topical joke about something in the news, I don't get it

( drimble he'd been white, he'd been black, Mon 29 Feb 2016, 7:01, archived)

Might be a Hero Turtles thing

( drimble he'd been white, he'd been black, Mon 29 Feb 2016, 7:06, archived)

black people are upset that the Movie Popularity Contest didn't think to promote any black people just because they're black
I'm still not sure where the joke is tho
( Grrrmachine the indifference engine, Mon 29 Feb 2016, 8:04, archived)