The movie really nailed some things perfectly, namely Kehaar, Bigwig, and Woundwort. And since those first two are my favorite parts of the book, I'm pretty happy.
I think we're seeing some honest-to-God low ratings due to childhood trauma.
I think it was a case of parents putting on a cartoon about bunnies for the kids then going off to do something else while the kids sat mesmerized in the darkened room learning life lessons, and not the nice kind.