Furthermore, I am not sure that spying on commercial companies is wrong. If information learned is redistributed to American companies, then that seems wrong to me. (Because it would invite retaliation, introduce unfair competition, etc.) But if the information is kept within the US government, then what exactly is wrong about that? Are you arguing that privacy is a fundamental right for corporations, too?
Hitler, etc.: This is all a strawman. I am only talking about spying on Brazil. But I'm sure it will get you upvotes, so feel free to bring up Mussolini, too.