If he was Cracker 2.0, then he, like every other villain, would get a proper finisher.
Here are instances of Luffy dog walking "weak" villains, can you spot what is different between them and the scene with Kizaru?
Know what it is? A proper ending:
If fodder and "warmups" can get impactful doublespread finishers, then Kizaru, an Admiral, more than deserves something virtually every villain gets when they lose.
And yet you have him talking the very next chapter.