Why are there so many black people in commercials , nowadays? They're 12% of the population but seem to be in 90% of commercials?

Whites are Bad! Damn Cracka’s !
Whites are Bad! Damn Cracka’s !
Former BBC presenter and champion of liberal causes Sir Ludovic Kennedy has denounced the increasing number of black faces appearing on television programmes as "political correctness [that] has got completely out of hand".
Why are there so many black people in commercials , nowadays? They're 12% of the population but seem to be in 90% of commercials?
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