If T-bills are in such low demand, and investors are so spooked by the prospect of the US not being able to pay back it's debts, why are yields so low across th

If T-bills are in such low demand, and investors are so spooked by the prospect of the US not being able to pay back it's debts, why are yields so low across the board? Oh wait, it's because there is huge overwhelming demand for treasuries right now because everyone knows that the markets have been totally fubared by the central banks.