As long as there is a demand for American dollars from the abroad, US can print it. MMT says, exporters swap real assets with US dollars. Is China/Taiwan/Vietn

As long as there is a demand for American dollars from the abroad, US can print it. MMT says, exporters swap real assets with US dollars. Is China/Taiwan/Vietnam interested in exchanging their exports with Zimbabwe currency? Zimbabwe's curry is not in a unique position like US dollar. No one wants Zimbabwe, but every one else wants USD.