Don't see it, it's not good. Spielberg knows how to make movies, but even the best director can only work with what they're given.
I really like your point about siloed subcultures, each unable to understand that they're in competition with one another. It immediately makes me think of meme crossovers, those ones where you have a meme that references (for example) both Warhammer 40,000 and My Little Pony, or whatever. Those crossovers often, if they're done well, become the most popular memes.
This makes me think of musical crossovers, the way classical nerds and metal nerds both get really hyped about crossing over with one another, but nobody likes it when jazz nerds do the same.
I haven't considered this point properly. If you have then I'd love to hear your thoughts.