This has already started with Trump's tariffs: https://valorinternational.globo.com/foreign-affairs/news/20...

> While the system is not named directly, a document from the Office of the United States Trade Representative (USTR) says that “Brazil also appears to engage in a number of unfair practices with respect to electronic payment services, including but not limited to advantaging its government-developed electronic payment services.”

I'd be surprised if there aren't big tech/credit card companies lobbying behind this.