They don't though, that's what I'm saying. Take a look at
https://www.usdebtclock.org- the US government is funded by debt, not taxes. If the government accumulates so much debt that it becomes a mathematical impossibility for tax revenue to ever pay it down then what is the actual purpose of paying those taxes? The purpose is to remove privately held currency from circulation, which is necessary if you want to print trillions of newly-created dollars without instantly triggering hyperinflation. If that were not the case, they could stop collecting taxes altogether and operate exactly the same as before- the only difference being the national debt rising at a faster rate. In the US at least, taxes exist solely as a release valve to enable shockingly irresponsible monetary policy