Whatever Happened to the World of Tomorrow? is a really good graphic novel about a kid's relationship with his dad through the lens of retrofuturism, as it gradually tarnishes, starting with the 1939 World's Fair.
I'll probably go to Expo 2025 in Osaka this year, since I'll happen to be there, but it'll be hard to maintain any real optimism.
I think the rationale is that, when it's a single individual, they can't pass the buck or blame the group. It's a final appeal at a human level.
The trick is not electing a troll.