Well, you see, this wasn't him showing a film about the rise of fascism as a savior of humanity in a post-Rapture world to an audience of art freaks and internet people, this was him showing a film about the rise of fascism as a savior of humanity in a post-Rapture world to an audience of "normal" people, yuppies, and the Jewish guy who owns the Cardinals. This was not the safe environment circle-jerking avant gardists tend to make for themselves.
Hence, the amusement.
Hence, pie.