I agree with Ookla.
fun=good
boring=bad
Thats why I like flash Gordon and hate the Harry Potters.
I don't believe in over-analyzing things like movies since it takes the fun out of them, the people I know who do this can't just simply enjoy a movie.
The very last statement in this post simply isn't true. I have spent my whol life watching movies, and there's no one out there who enjoys movies more than I do. If a movie is just trying to fun, and succceeds at doing that, but at little else, like "Twister," for example, I will give it credit for that and say that I enjoyed the movie, and that it worked. How did I arrive at that conclusion? BY ANALYZING THE MOVIE. Anyone who appreciates film as an art form can't watch a movie without analyizing it some level, and people who don't appreciate film as an art form are the reason there are so many bad movies out there.
Have you watched "Flash Gordon" recently? It doesn't hold up the way it did when we were kids. Personally, I love the Harry Potter books and films, and find them to be the model of fun and interesting, without ever being boring. Again, taste varies from person to person.