[Animal Boything]

I think you misunderstood what was going on in the movie. It wasn't about changes of heart, and there really weren't a lot of those. It was more about the complexity of people's personalities, and the reasons behind their prejudices, and the truth that lies beneath their outward appearances. Most characters are presented such that we, the audience, see them one way at the beginning and another way at the end... it has little to do with internal changes, just mixed feelings.

That's why they seemed like walking sterotypes at the beginning. That was totally intentional. There are people we meet in everyday life that seem like walking stereotypes, and the point of the movie is that there's more to people than that. It wasn't about everybody learning a valuable lesson, it was about everyone revealing their true nature.