And now let's ask the typical South American, which type of currency would you rather have in your pocket? Your local one? Or the US dollar?

I am pretty sure, you know the answer to that one.

Anod no, the US dollar is not destroying the Russian ruble. Putin is. Which currency do you think most rich Russians keep their savings in?

The US dollar is not going away (it's been going away for the past 40 years apparently).

https://medium.com/predict/why-the-us-dollar-will-stay-dominant-and-there-will-be-no-new-global-currency-5adfd2639b33