Absolutely. The US has shown it is happy to threaten allies and weaponise everything it can in international relations. It would be madness to leave critical payments infrastructure dependent on the US.

Considering the times we're living in, each country should consider implementing own payment system, and never abandoning cash for digital currency. Both systems should coexist and complement each other but we aren't living in a perfect world.

Yup

Americans will be "pro free market" until it's somebody else doing the competition, then they will be very butthurt about it (at best)