It's different these days though. Much more emphasis on whatever fresh sexual and gender identities happen to be in vogue right now, apparently for no purpose other than to preach about them to the viewer.
Whereas in Star Trek, it made sense that a future spacefaring crew would be made up of people with origins from all different parts of the world. This was entirely consistent with the overall storyline.
Most countries are full of land stolen from the ancestors of the people who lived there, which was then exploited by the thieves, to make them and their descendents, incredibly wealthy and powerful.
Indeed, across the entire globe, only a tiny fraction of the population own the vast majority of land and other resources.
Let's all sort out this much bigger and globally impactful inequality first, before worrying about some museum pieces.
Whereas in Star Trek, it made sense that a future spacefaring crew would be made up of people with origins from all different parts of the world. This was entirely consistent with the overall storyline.