It is beyond easy to remove the need of Moonkin Form -- not to mention, Moonkin Form has taken on a totally different function than it originally held. The first Moonkin Form was all about the buff.

The pre-3.2 version of tauren cat form was one of the most universally loathed models in the game (not least by me), leading a not-inconsiderable number of players to engage in illegal model-swapping.