Its only interesting when compared with the US. Japan put in instant payments in 1973. And Nigeria, Philippines and many other developing countriesall have local instant payment systems.

I have been using BRL (a stellar based stable token) to pay a programmer from Europe. Zero fee, Sepa instant to PIX. Allows me to pay him daily as that is what he wanted.

https://www.ntokens.com/blog/brl-anchor-stellar

There are Argentian, Nigerian, South African, USDC, Chilean (https://kbtrading.org)