I'm not the best person to comment on the Apple situation myself, i've never liked Apple with or without Steve Jobs (I grew up with Apple products but i've since found life much better without them). So i'll allow others to comment on it, ford91exploder had a good comment on the matter above. From what I gather, Steve Jobs was forced out by financial heads in the company. Likely because they saw him as a threat, not because he was putting out poor products and the general public began to detest him for it. It apparently was not Apple fans who turned against him but some sort of power struggle by executives.
But I am a Walt Disney fan (the person and his philosophies by which the company used to adhere to). Walt Disney was and is (by those who actually realize he was a real person and know anything about him) considered an avatar of quality. Much of what was created under Walt Disney was so successful BECAUSE of Walt Disney. That's not to discredit the absolutely brilliant imagineers, animators and writers that helped bring his ideas to life (many of whom themselves went on to become avatars of creativity and quality). But Walt Disney was the brains of the operation. Relatively speaking, there's practically nothing that Walt Disney touched that wasn't overflowing with quality and worth. From the time he really began to kick off his career in the 1920s until his death in 1966, he proved himself a constant and uncompromising force of brilliance in entertainment. The more control he had over a project, the better it turned out. The reason he wouldn't be welcome in the company today is because the people who run the company don't want a quality product for consumers (which means expending money and effort). He would be a threat to the way they wish to run the company (short term profits by running things to failure). Similar to how Tony Baxter was perceived and forced into retirement (through no fault of his own or from any lack of quality).
George Lucas has not earned the same level of admiration as Walt Disney. He obviously has, or had, some degree of talent. But i'd say Star Wars has at least as much poor quality as high quality. I say at least as much because even the original trilogy is not completely devoid of **** (particularly certain parts of Return of the Jedi). The best things about Star Wars are some of the elements he had the least control over. Polar opposite to Walt Disney where the more control Walt had, the better the product turned out. The vast majority of Disney fans held Walt in the highest regard throughout his life. Whereas in regards to Star Wars, even a vast portion of the fanbase has turned against Lucas for the massive damage he's inflicted upon his own creations...