Iranians hate Arabs. They're a fairly well-educated population and they have centuries of experience with self-government.
American businesses deserve a federal government that doesn't stand in their way, not one that tries to chase them overseas.
So sometimes the facts are good and sometimes the facts are bad, the important thing from the point of view of a principle as broad and important as freedom of speech is that the courts articulate and set forth in a very protective way what those principles are.