If you think the supernova as a concept are forced, that’s another thing. But Kid and Law have kept up with Luffy’s bounty for the past 500 chapters. When Luffy reaches the 5 billions, Kid and Law should at least have 4 billion tier bounties like the yonko.
Inevitably that has to change
Zoro never beat him. They just won via the sea bubbles.
Also, it’s possible Garling could have York age them up.
Also, it’s possible Garling could have York age them up.