What is it you're arguing here? I agree they got stronger in between. Just like sanji. This is further enforced by zoro saying exactly that. Meanwhile they get powerups on the way to ennies lobby.
If you don´t understand what it is being argued, then why butt into a convo.
Zoro got Asura, Sanji got DJ, Luffy got gears, those are power-ups, not zenkai boost, power creep or whatever you want to call it.
The dude i quoted asked me how Sanji beat Jabra after struggling against Blueno, and i answered DJ, his power-up.
Blueno went white eyed after Sanji´s kick in the train, Jabra was just pushed back a bit.
Sanji did not get a zenkai boost, he did not do anything he could not do before, except DJ.
And you asked why Zoro and Luffy beat the guys who crashed them in Galley-La, basically oneshotted them, and i gave you the answer, the same answer Oda gave us immediately after Galley-La, and was repeated by Kaku once again, Galley-La was not their true strength.
And why? Because statement from Nami. Asura just became relevant at the end of the fight as finisher, yet Zoro fought and was not one-shotted.