It's not like we don't know how it works with those big studios, but it's bloody disgusting. I'm so happy not to have given my penny to them since Rogue One.
"JJ was devastated and blindsided by this. He’s been feeling down over the last 6 months because of some of the ridiculous demands Disney had that changed his movie’s story. While the scenes were shot, a lot of the changes were made in post-production and the audio was rerecorded and altered. My source said they’ve never seen anything like this happen before. He’s the director and he wasn’t in the know about what they were doing behind his back. "
And when you think that all of the movies, canon or not, have suffered of production decision (directors fired, reshoots, ...), all this story with JJ is just clarifying some of the worst sides of the Mouse Spirit Incorporation.