It’d be a good idea for everyone. The plans being floated around the BRICS would just replace US puppet strings for Chinese puppet strings.
How to get a currency that doesn’t have any one country holding the puppet strings? I dunno. It’s tempting to say crypto, but…yeah.
Telling current high schoolers that “these are the best years of your life”. Doubly so if the teenager in question is clinically depressed, and this is a misguided attempt to cheer them up.