Canadians and Mexicans would never go for the Amero, not to mention the Cubans and other Central American and Caribbean countries which are part of North America.
Since you took care to point out that that guy is Jewish, I expect you also to point out when someone is Christian, atheist, or any religion ot ethnicity. You will make sure to do that, right? Otherwise people might get the impression you are one of those wack job anti-Semite conspiracy theorists.