when the money runs out and the system completely fails... They will end...
abruptly..
Except they can print $$, manipulate interest rates, and intimidate financial analysts & traders into playing along with the charade. The net effect is that the currency will be increasingly debased and everyone will be poorer for it. Which is just fine with those in Government. Their goal is to create more dependent client (voters)—not actually solve any of these problems.