The First Order decides to target naruto home planet. naruto takes notice of this and fires his most powerful version of the Bijuudama to defend his planet. Who would win?
The most powerful Bijudama we see couldn't destroy a single planet. Even if we scale it up based on his feats after some powerups, he can't begin to compare to an attack which can completely destroy five planets in one shot. Spite thread.
bijuu balls cannot even topple the yield of nukes and barely flies at supersonic speed. starkiller's superlaser destroyed 5 planets from lightyears sectors within a minute. this is a stomp even regular star destroyers are too much for tailed beasts.