
There's this: At General Motors, executives originally cultivated distinct personalities for its Chevrolet, Oldsmobile, Pontiac, Buick, GMC, and Cadillac divisions. But those divisions began to blur into one in the 1970s. In the 1990s, General Motors bleached from Saturn (a GM startup) and Saab (an acquisition) their distinctive, desirable qualities.
At GM, the least successful divisions have often found it easier-at least politically-to compete against their corporate brothers instead of the real competition (Ford, Chrysler, Toyota, et al.). If Chevy had a successful SUV, Buick wanted an SUV. If Chevy had a successful two-seater sports car, Pontiac wanted one, and so did Saturn. If Buick succeeded in selling luxury, [...]