The trailer (14 mins) is here:
Poor production value, tricked the actors to perform for the film and then changed the script in editing,....
Many definitions of art have been proposed by philosophers and others who have characterized art in terms of mimesis, expression, communication of emotion, or other values. - source
Some arts are meant to provoke. For example Leon Golub's 'Interrogation III'
Bad as the movie may be, as an art, it has succeeded in provoking reactions. It has successfully revealed the violence nature of Islam. Those who murdered the USA Ambassador should be brought to justice. There is simply no excuse to murder an innocent person just because your belief has been ridiculed.