I can't tell you about the Americans, but I can tell you about the Brazilians. Here everyone believes in Fiat, to everyone I've ever spoken to or seen speak about bitcoin the reaction has more or less always been the same, disbelief, common myths, “it's not based on anything”, the same old idiocy. That's why I stopped focusing early on on spreading the word among ordinary people and am focusing on traders, rarely and when I have an opening.