It is a good thing on the long run but 3-4 trillion debt is tied up in fossile fuel economy. If that transition happens too fast thsts not a good thing.
Some of the $3trn shows up as assets in pension funds and SWFs, but much of it is hiding in the balance sheets of oligarchs and middle eastern monarchs.
I'm not sure how likely/unlikely this is, but that's the theory.
https://www.theguardian.com/environment/2014/mar/06/could-fo...
Hm.