Certainly if all one knew of the United States was gained from a study of its commercials one would naturally assume that Blacks made up a minimum of fifty percent of the population and that Hispanics made up only -- say -- 13% . . . instead of the reality which roughly reverses those numbers.
I could also see where an outsider might question the leftist assertion that this is the most racist nation on Earth considering that all Blacks MUST be portrayed as socially dominant and deliriously happy in life.