“ Amazomania ” is exactly the kind of documentary one hopes to see in the main competition of a film festival like CPH:DOX : ambitious, sprawling, with a lot on its mind. It demands patience from the audience and leaves them with much to think about. The premise is about a 1996 expedition into the Amazon to make contact with the isolated Korubo tribe, and examining that expedition in the changing moral attitudes of the present time. However, “Amazomania” remains limited by the viewpoint it