Ok sure, and while we're at it, let's just start calling all birds ducks. Or all bipedal mammals humans. The meaning of words is defined by consensus, which is

Ok sure, and while we're at it, let's just start calling all birds ducks. Or all bipedal mammals humans. The meaning of words is defined by consensus, which is not the same as unanimity. You can dig your heels in and call this a hoverboard, but the future won't remember it as one, because most people in the future will have the sense to see the differences between the hoverboard we were introduced to in Back to the Future and this multi-rotor-powered contraption.