Killer didn't replace his entire fighting style he replaced the weapons.
He already had scythes just mechanical ones instead of the non mechanical he used in Wano.
The main difference was that with themechanical ones he could spin them whereas with the non mechanical he span his entire body. Other than that there is no difference evident.
Nami's entire fighting style chanced after getting the climatact and it change in a single fight. She went from being a cqc fighter to a long range fighter in 1 fight.
That was a bigger adjustment tha the one Killer had to go through. After that first fight she was a master at using the climatact.
Same happened with Sabo, he went from a cqc fighter to one that could do long range attacks. He adapted to all those changes on the same day he got the abilities and was even able use the new abilities to fight against an admiral.
Same with BB. The guy was able to immediately use the island crushing attack WB used on his first try.
The adjustment that Nami, BB and Sabo had to make are bigger than Killer and they achievedthem on the same day they received their abilities.
As for Killer, he has had days/weeks to adjust to the new weapons. As evident from how he fought, it was obvious he had adjusted. He was fighting even with nitoryuu Zoro without any issues.
If that was the first day Killer got those weapons and was fighting zoro I might have understood, but thiswas days/weeks after getting those weapons. If Zoro on the first day can use a scythe and perform his normal sword techniques, then I do see how Killer could not after days/weeks. Zoro also didnt show any decreased ability whilst using the scythe.
And he had no handle, and he were at the side of his hands.
You literally ignore weapon mastery dude.
You think you can easily substitute even a small change at the level these guys are right now? Please...
See above.
And it was shown in the fight, in which 80% was comedic gold and even the finisher was not intended.
Yep, there is a difference between being completely useless with a new thing and actually mastering it.
And still fought in CQC, and when using the fruit, admitted he is not used to it.
And also admitted he can´t control it and has to get used to it.
Baseless, the usage of a new DF and a weapon change is neither comparable nor tangible, you are trying too hard.
Also nice that you forget to mention Kaku and Kalifa, both also not being able to master the ability, which was also comedic gold.
Years vs weeks, obvious which is superior.
Were Zoro´s techniques on the same level? No.
Do we know who Killer even fought in those 2 weeks? No.
All headcanon trying to follow an obvious agenda.
If i were Zoro, i would use 3 different weapons to be able to adjust to every situation, since in 2 weeks, his mastery will be as good as what he has practiced for significantly more than a decade, what´s the difference, right?