George Lucas, creator of Star Wars, never intended for Star Wars to become a source of creation for many people. He kept a tight leash on the rights for the films so that people could not recreate their own stories. Once he agreed to allow people to publish their creative work, Star Wars fan fiction, videos, and songs became popular.
Television shows such as Robot Chicken and Family Guy have made parodies of the films as well as Youbuters.
Lucas fought for the rights of his show to remain untouched but once he gave up his rights, Star Wars fans became active with the story.