There is a reason the US is worried about things like Pix is Brazil. Viable alternatives are coming online that cuts them out of the set of power.

And UPI in India. And you know what? Those systems are working better than the US systems do.

In Europe there's Weego or whatever it's called which is just a standardized QR code layer on top of the instant SEPA payments you can already do?

Now imagine the costs for the oligarchs to let that not happen. 'Might makes right' also applies internally. When the rules don't apply you will see fiefdoms eating each other and white collar crime cranked up to the max. In these dynamics there is a reason to get from your clan a tsar in power who can guarantee some level of stability. If you see a lot of sycophancy displayed around the don you know why.