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If Star Trek fans were racist, the show could not exist. It was always at the forefront of racial diversity in casting, from the very first series. Deep Space 9 had a black captain. Voyager had a woman captain.
Michelle Yeoh is cool though, even though I've never seen her in anything and I also keep getting her confused with Ming-Na Wen
But I have heard there were big problems behind the scenes. https://www.youtube.com/watch?v=U_UVhGe7M4U&user=armouredskeptic sort of comes to the table with weird history. Like....Jurassic world or the new ghost in the shell or something like that.