>So far, Western economic sanctions have hastened the decline of the use of the US dollar as a means of exchange, especially among Russia, India, and China.
Western economic sanctions literally prevent Russian financial accounts containing US dollars from being accessed, right?
Framing this as a problem for the dollars is odd; it's hard to put my finger on why.
All of the economic data shows the dollar is significantly weakened though, not just due to this, but money printing and more. Meanwhile, the Ruble has mostly recovered to prewar levels already https://www.xe.com/currencycharts/?from=RUB&to=USD
That doesn't tell the whole story of course, but it does appear we are witnessing a larger decoupling from the US Petrodollar standard that has been dominant for decades. That wouldn't be possible if the dollar weren't already weak, I don't think.
How about looking at the longer term performance of both currencies in terms of Swiss Francs, on xe.com. It looks to me quite clearly the opposite of your view.
That doesn't tell us what precisely you are mistaken about, and clearly many people have been agreeing with you for years and years, but something is off here.
Western economic sanctions literally prevent Russian financial accounts containing US dollars from being accessed, right?
Framing this as a problem for the dollars is odd; it's hard to put my finger on why.