"To take a parallel instance, the Jeep was invented to drive in rough country during World War II. We could have called it a war vehicle. But now jeeps are used by suburbanites and hunters, back-country nurses and paleontologists."

Poor parallel example. The iconic Jeep of WWII made by Willys and Ford, the Willys designation was Willys MA and the Ford GP. It was the GP standing for "Government" P type (chosen by Ford to designate a car with a wheelbase of 80 ins), that gave rise to the Jeep name (GEE PEE). Lots think that GP stood for General Purpose - it didn't. In 1941 the US Government decided on simplification through standardisation and the Willys model won the contest because of its more powerful engine, the best features of both were incorporated into the design and they became Willys MB and the Ford GPW (the W standing for Willys as Ford made them under licence).