I think Crouch was saying Simmons was encouraging young blacks to live down to inferior racial stereotypes.
Stanley Crouch is a black man ( he describes himself as a "Negro American") and one of his distinctive themes as a columnist is that he believes that popular black culture is little better than a minstrel show from the 20s, except that today it's black men acting out the worst stereotypes about black men, rather than white men in blackface doing it.
He's a pretty controversial guy and is well-hated by the professional victim outfit. He's also the guy who writes all those crazy liner notes for Wynton Marsalis.