Earlier quoted context omitted.
They were going up a couple of years ago. https://fred.stlouisfed.org/series/FEDFUNDS
What happened in 2019?
Situation is worse now, because it's highly likely that the U.S. Government would go bankrupt if they had to roll over their debt at higher rates, given that the U.S. debt-to-GDP ratio skyrocketed from 105% in 2020 to 130% now.