If it doesn't matter how you swing it, then you're swinging your arm for no reason. In SS you had to make deliberate, conscious movements, like you would with an actual sword. That's why I enjoyed it.
I guess I'm one of the few who never once had a problem with SS's motion controls. They felt fluid and natural to me, and always worked. That being said, I really don't mind at all going back to button controls for BotW. They can provide some unique combat strategies that don't really work with...