ROFL, people ruin the story for themselves by thinking in terms of power levels. Oda does whatever he wants, just move on
Right? Even that much is really sweet because we haven't had anything otherwise. He decapitated the dude he hung out with for 20 years like it was just some asshole.
Kaido got character points this chapter. He really has a relationship of respect,care and friendship with his crew. This need be more explored this arc.