Its not profits of doom, its common sense. The USA has been living rich off the USD. It will be time to pay that back.
they will pay it back with another high debt, there no way this whole scam system will collapse, it's a pefect system made by them, and it is working since many decade, also this system has overcome many crises
so again there is no reason for it to stop here, unless some major thing appear, like everyone will switch to crypto, almost impossible