They did this exact thing with Halo. They wanted out, Microsoft/Xbox wanted them to keep making Halo, and they were contractually obligated to. So what did they do? They made the final two games they had to, and changed everything they could, pushing the main player base away from the game. They learned all those years ago what to do and they're doing it again, this time to kill Destiny because they're bored of it, and push people to their next game.