I never gave a second thought about black, asian etc characters in the old sci fi shows back in the day. But just as in the case of say every ad seemingly featuring an inter racial couple now, it smacks of creators looking down their noses at the audience, seeing them in need of moral improvement, and social broadening.The creative types involved all usually coming from the very sheltered upper middle classes with all having a particular type of education, all rather homogenous/samey.
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