There is now also speculation and rumors of Nexo Knights is ending soon courtesy of a Brickset article, and there is a new topic related to said subject.
If this happens then the original story and action themes will be down to Ninjago and Elves, seeing as Lego Ideas has turned into another outlet for licensed sets. Not exactly a great outlook, especially to ten years ago, original themes nearly doubled licensed ones in number.
With each fail, in the eyes of Lego, they seem to become more discouraged and convinced that profit lies in the licensed themes.