We (as in, pretty much the whole Western world with some exceptions) take up more and more debt, and Covid has greatly accelerated this trend. Often, the countries that take up more debt aren't growing much. And there is a lively talk in Europe about financing the European Green Deal on yet more debt and throwing the Maastricht criteria out of the window. This is addictive; why would you try to increase taxes and thus piss off important people if you can just borrow?
This has an upper limit somewhere, we do not know where it is, but we will hit it one day. There is no way that this could continue to the heat death of the universe.
The U.S. is partially protected by the status of the dollar as a reserve currency, but the Eurozone does not even have that protection. The whole base of the Euro is a silent expectation that Germans will do whatever it takes whenever it takes to preserve it. Which they might, or they might not, if the push really comes to shove.
Here in Canada there's a few factors that conceal true inflation and poverty: the cost of housing, save for renovations, is not part of our inflation metric; our low income cut off is parametric as a factor of mean income; and so on.
The treasury is authorized to print coins, not one-off government deficit-spending authorization medallions.
But in all seriousness, it actually does sound like The Simpsons had the exact same plan -- pay for economic recovery with one coin/paper note.
 https://en.wikipedia.org/wiki/The_Trouble_with_Trillions :-)