Pirates of the Caribbean

Watched Dead Man's Chest on Sunday. I don't like Jerry Bruckheimer's (is that spelt right?) second avatar as maker of blockbusters. When I saw The Curse of the Black Pearl, I was pleasantly surprised. The movie was oddly satisfying. But this sequel is a raging bore. It drags for a good 2 and 1/2 hours and doesnt even end. I didn't remember a damn thing about Black Pearl when I saw this movie and I am sure I won't remember a damn thing about this movie when the next part is released one year later.
Whose idea was it to make a movie about a theme park? Walt Disney's? It keeps going round and round.