That means that they already accept Bitcoin directly from at least 2 countries: Mexico, and El Salvador. Some of the other countries in that list could potentially be the next one.
They did what it is supposed to be. They are adopting Bitcoin in the first place and so they have to allow their people to enjoy it. Like being accepted in big establishments like in supermarkets, that is something it leads to encourage small business to offer the same. It gonna be a chain of crypto development and this is what it mean to be and to be consider as a currency, finally happen in Mexico. And we supposed to see it in the other countries who have been promoting and accpeting Bitcoin.