Exactly, because you shouldn't identify to a group of people, you're an individual, which is far more interesting. People shouldn't think like if they were a part of a community, it's not productive at all. Also, talking about "white people" or "black people" is foolish, a poor black dude has nothing in common with a rich black dude. Communities based on skin color are a joke, it's not what makes people different.
If you can't live without having representation in the medias, yup, something is wrong with you. When I'm in Asian country or an Arabic country, I don't care about people who happen to look like me to be represented. I know that I'm a minority in their country, I adapt and enjoy what their country has to offer.
Same goes for movies, I'm a white straight dude but I have no problem to enjoy a movie staring a transgender black woman with only one leg, because as long as it's interesting, I don't give a damn about her not looking like me. If you absolutely need people to look like you and not having a different opinion than you, yes, something is wrong with you.