There's a rising level of frustration with the disconnect between where the vast majority of conservatives are in this country and how Congress is behaving. There's going to be a wake-up call sooner or later.
So much emotion can be brought in an animated film that's very hard to get in a live-action film. I haven't quite put my finger on why, but it might be because the characters can make facial expression that, if you made them in a movie, they'd call them corny.