I think the USD could get a lot worse before people start thinking about getting rid of it.
That's certainly true. And it's probably very similar to what some Brits said in early 1900s, when the Pound was the global reserve currency. But people will want an alternative, and a number of cryptocurrencies might reasonably be held as a hedge against dollar decline.
It's usually largely in the hands of organized crime, and has been since the Nixon-Kennedy election
HAHAHAHAHAHAHAHAHA!
It's amazing we are still paying for algebra and physics books.
Nothing amazing about it. It's a system set up by academic boards and educational publishers. Because there's too much money in education up for grabs to those who know how to game the system.
"Engineering without management is art." -- Jeff Johnson