Such people run scared, fearful of any suggestion they can make mistakes. And they surround themselves with others who run the same way. Don't take risks . Find out what succeeds and copy it . Some of the most successful practitioners plagiarize and steal without a qualm, knowing they can stall their victims for years with expensive legal maneuvers.
Creativity often has little to do with movie-making except when writing promotional copy.
I can only tell you what I saw. There was scrambling and many false starts around the film's release, a clear signal of nervousness to audiences, including critics. Critics who were inclined to be sympathetic were not permitted to see advance screenings. The hype machine grinded into action, telling people to expect the complete Dune. My efforts were enlisted.