The white dude is complaining, “This PC nonsense is out of control! They need to get back to the kinds of strips everybody can relate to!”
Black guy responds, “‘Everybody’ meaning you?”
(Click on comic to see full-size version.)
This Washington Post article notes that this strip is part of a protest by cartoonists of color. Lalo Alcaraz refers to it as the “one-minority rule.” We already got one, so why should we get another?