A simple script isn't the same thing as a bad script, though. Star Wars, Raiders of the Lost Ark, Die Hard, Alien... these are simple scripts, but they were all

A simple script isn't the same thing as a bad script, though. Star Wars, Raiders of the Lost Ark, Die Hard, Alien... these are simple scripts, but they were all turned into good movies. The problem with Avatar's script is not so much its simplicity, but its preachiness. A story set in a simplified world of good and evil isn't so annoying (cf Star Wars) unless it's supposed to be making some kind of political commentary on our own world.