The world is much more centralized than many can imagine.
The more I think about it, the less it makes sense. Henry Ford comes to mind:
It is well enough that people of the nation do not understand our banking and monetary system, for if they did, I believe there would be a revolution before tomorrow morning.
He said that a long time ago, and I think it's still valid.
I like to think "the economy" depends on companies producing things, and people working for them. I expect most people to think like this.
But in reality, "the economy" depends on the amount of money being created by central banks, and it's
terrible that basically everyone's life can be influenced literally at the flip of a switch.
This is also the main reason why I like Bitcoin. "Fix the money, fix the world"!