So much of literary sci-fi is about creating worlds that are rich and detailed and make sense at a social level. We'll create a world for people and then later present a narrative in that world.
Everybody knows they're on the Obama team: There isn't vice presidential vs. presidential division, there's not a generational pull. People have internalized that this is a real moment in history.
A little of what you call frippery is very necessary towards looking like the rest of the world.

