The M1 jump is not new money for the most part, it's a reclassification of things that used to be M2 as also being M1 (liquid) https://fredblog.stlouisfed.org/2021/05/savings-are-now-more...
M2 increased in 2020, but not by as much as you're saying https://fred.stlouisfed.org/series/M2SL