So we know that the USA can only avoid paying their debt because the USD is the world reserve currency, but once they actually have to pay it, it's going to be hell.
How is China going to deal with their own debt? Because it seems like they have a lot to pay back.
National debt on countries with currency sovereignty = surplus on the private economy, the people
So it doesn't matter, this is where MMT is helpful since it explains this very subject.