There was a fellow a couple years ago who was sued for writing a sequel to "Catcher in the Rye"
Yea, by fucking J.D. Salinger himself (or did mentioning that little tidbit weaken your argument too much to make it worthy of a mention?)
So sad that this is where you've invested your moral outrage, that one of the century's most noted author's sued because he didn't want some talentless ass hat publishing fan fiction (a.k.a. unoriginal self-indulgent feculence) to muddy his genuine, original and critically acclaimed novel.
Hammer on Disney and the other greedycorps all you want, but when a living author wants to protect his own work/invention/legacy, he has every right to do so and piss on every self-righteous dick (including the comparatively talentless hacks of the world) who tells him otherwise.