I mean something unusual definitely happened in the US https://fred.stlouisfed.org/series/M1SL. Is the alternative that companies suddenly discovered they were greedy?
I did notice that change, but then the article didn’t mention it? Do you have a source for the change being responsible for the spike? The timing is suspicious, but the fed appears to be trying to bring the money supply back in line with the trend from before the spike
edit: though I do want to add the m2 supply might be more important here, and it doesn't show anything as dramatic https://fred.stlouisfed.org/series/M2SL. https://fredblog.stlouisfed.org/2021/01/whats-behind-the-rec...