And as for Star Wars in Disneyland...I don't actually have a problem with the idea. I worry greatly about the execution, and I hate the location within the park. But my reasoning for Star Wars is that if you asked a 6-10 year old in the 50s and 60s what they "played," the answers given would be many of the things that Disneyland ended up containing: Cowboys and Indians, Spaceman, African explorers, Errol Flynn swashbucklers, Davy Crockett etc. Ask the same question to kids today, and the answers will unavoidably be heavily laden with Branded IP, with Star Wars being the king of the hill for 40 years. 40 years before Disneyland, another IP controlled the hearts and minds of young children; the Wizard of Oz series, and although MGM had the rights to the first book, we know who had rights to the rest of them. Even though no films were made or attractions built, there was intent. They didn't spend the money to purchase the rights, and NOT use them. The clock ran out on Walt and Oz, but if it hadn't, it would be hard to argue with no Star Wars, if Oz was present. Oz, Davy Crockett, Star Wars, Harry Potter are the crown jewels of children's branded IP for their generation. Walt was a savvy man, and he would have been all over all of them; not just the one he was responsible for. Edit - Peter Pan would probably also fit the bill for something very popular and contemporary to Walt Disney's life, that was appropriated by Walt Disney. He didn't just retell "dusty" old stories and fairytales.
I have a problem with EVERYTHING needing to be Disney branded IP, but Star Wars is different. It's as much of a cultural touchstone as any of those themes I mentioned above. And, IMO, it's silly to leave it out because the ratio of branded to non-branded themes that resonate with people today are heavily tilted toward branding, with the reason for that having a lot to do with how successful Walt Disney was with his own business. Without the Disney model of marketing and synergy strategies of the 50's and 60s, do we even get to the point, 60 years later when everything is so brand oriented? The Davy Crockett craze, the original Star Wars craze they're cut from the same cloth and paved the way for everything else IP driven.