I guess I don't see Disney as problem maker for most of the properties that they own. Pixar has still managed to stay strong for the most part. Sure they've had some misfires but that happens eventually no matter what.

I really don't see them being in charge of Marvel or Star Wars as a bad thing. The only issue I really see is that some of the films may become "safer" but I can't blame them too much for that. When they invested the money they did to obtain these properties they obviously are going to want some consistency there to keep people (specifically families) coming to see them. From the standpoint of a fan I can see how that isn't always the most desirable but its not completely unexpected that Disney properties aren't going to be dark and gritty. Plus really we've gotten a fair balance from Marvel thus far and despite some of that possibly coming from the comic side I imagine that will continue because realistically Disney could have stepped in and given some input on things they felt were too dark or didn't fit the tone they want with any of the films to date.