It's all about bragging rights and who can do what better than who. It used to be that how manufactures introduced a line-up instead of building it then trying to tweak it into something else later. Look at Jeep Wranglers it has a rep for being the best at one thing Off-Roading and look a it's sales numbers and profit margins. As they said in Wayne's World 2 "If you build it they will come".
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