The fact of the matter is that in American media, most of the actors, writers, and producers are from one group in terms of looks. How is it "mind boggling" to think about how it feels to rarely see someone who looks like you in popular media (and almost never for leads in films)? Or when someone like you is depicted, it's usually a tired trope or racial stereotype?
America is extremely diverse and yet our media disproportionately represents one type of person, and only very recently has begun to correct itself. It's easy to say "hey, we're all Americans", when most people in media look like us. Would you say the same thing if most tv shows and nearly all lead roles in films were solely of Asian-Americans? The answer is clearly no.
Big productions are in a huge % american media, national media for some ~40million population country, limits itself to talkshows, entertainment world, sports and so.. not movies, series or sitcoms
https://news.ycombinator.com/newsguidelines.html
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