If investors had not been found to put up about forty million dollars, Dune would never have been filmed. And all of the essentials in the book are on film, even though all of it did not get to your screen. Never forget it's an industry. There is more here than meets the eye. One of the most important things is corporate politics.
Big corporations are bureaucracies that often promote people who are best at covering their asses.
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.