Thank you for the links. I was unaware that the PRC’s Treasury holdings had been pared back so much.
I do think it’s interesting to note that both of the examples you used are the only two countries that the US military wouldn’t like to try its hand against. And there is a broader point there: my original point becomes less relevant the further that global US hegemony slips.
https://www.cnbc.com/2020/11/02/china-drops-us-treasurys-imp...
Russia has started transacting petroleum in EUR. They haven't been "liberated" yet.
https://www.reuters.com/article/us-rosneft-contracts-euro-id...
Petroleum transaction only make up a small fraction of worldwide dollar use. It doesn't really matter.
https://foreignpolicy.com/2009/10/07/debunking-the-dumping-t...