That's useless though. Brawl's way too precision oriented to work with motion controls without being completely overhauled into a different game.
I never said anyone with any skill at the game would use it, luckily I don't have any skill so it's perfect for me
I found it sort of useful with Marth in the Homerun contest, I managed to get a flick rythm going to get 4-5 right smashes, one up smash and then clobber the bag for a decent hit. Other than that it's only of moderate use for my button mashing game.