Don't worry, the Fed's been doing that for over 80 years.
IMO, this is just another step in the Hispanification of America.
Dang straight, we got to keep them Mexicans remember they're not on the American continent....oh wait they are, aren't they?
This is nothing but good business. You mention the foreign currencies accepted in the nation. In many countries the dollar is accepted already, albeit on a limited basis. And many of their currencies are far from hurting.
Golly, TWO responses from you!! I feel honored!