You are pivoting. The topic is on printing money and who ultimately holds those treasuries. It's the common man. 3 choices: responsible budgeting to spend what you earn backed by productivity growth and work, inflation and eroding wealth in the long term, or wiping out all treasury holders. The latter virtually guarantees an end to democracy.
Ovethrow the government, hang the men in the office for one. French did it.
Your retirement money has nothing to do with how the goverment is run. In fact, your retirment balance keep growing precisely because of money printing, big chuck of it went to science and technology research.
We are just very lucky to live in peace after WW2. Think about your grandparent generation, got nothing to eat and nowhere to live. Think about before internet, let alone trading online.