The bar has been significantly lowered in the last year since the US has decided to commit bigly to unpredictability. Another 3 years of these kinds of manipulations and the Yuan could very well look like the lesser evil to a lot of countries.

The Yuan already is a popular reserve currency.

What is this crazy idea that every single country must act all the time in the same simplified way?

The first currency to be gold backed will take the crown. China appears to be building towards that end.