So you're gonna ignore the context and portrayal of Kizaru and just hand him over to Judges Son just because he kicks as well?
Kizaru has been portrayed as Akainu's right hand-ish figure. It may seem as a bizarre portrayal given that we don't get much information of the admirals or marines, but this is our basis.
Our supporting context is every time Kizaru is fighting someone is has been a Captain or a Right Hand.
- Marco, Benn Beckman, Zoro, Rayleigh
- Asking Akainu if he should go to Wano
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And almost every arc there's been a combatant joining over from the enemy to the strawhats side to aid in the effort.
- Whiskey Peak: Vivi
- Alabasta: Bon Clay
- Marineford: Crocodile/Jinbei/Mr3
- Fishman Island: The Princes
- Dressrosa: Viola
- Wano: Kyoshiro and Yamato
And in the final War we already know its going to be Fujitora and Smoker given their ties to Vegapunk and Fujitora knowing that Luffy has saved the world twice. First against Crocodile and the weapon and now Doflamingo and Dressrosa's tyranny. Why the hell would he attack a guy that's freeing multiple countries throughout the world and exposing the WG fallacious agenda's?
And even when Fuji rocked the dice, twice, and then thrice it told him otherwise, to not attack the Strawhats. Fate/Destiny is assisting their path and he is a believer of that. If he didn't interrupt in Dressrosa, there is no need to interrupt when the Strawhats uncover the true history the WG has been hiding. And Fuji will realize what massive tom-fuckery the WG has been hiding since, leading to his ultimate withdrawal from the WG as a naval admiral.
This was only the prequel to whats to come. The
PURPLE TIGER will be on the side of the strawhats.
Just as the Marines are on the
CELESTIAL DRAGON's payroll.