I don't disagree with you but, Ulti/Nami stuff never bothered me too much since I do not view Nami as a combatant. It made no sense in the first place for her to fight an Ancient Zoan Dinosaur. Oda gave it just to check a box.
The real Nami moments are in navigation, caring for children/ppl, and her respect of Luffy. Power ups are just an extra. Her getting Zeus is OP, means she can protect herself much better, and
will not at any point be a liability. But fights for her are almost a non factor for me.
If anything, sincerely I would rather fights remain exclusive to Luffy, Zoro, Usopp, Jinbei, and Franky.
Sanji, Nami, Robin, Chopper, Brook can be better utilized in infiltration, doctor-ship, and covert OPs.
- Nami, strictly assisting in Navigation and weather related events (this is the grand line anyways, there should be more sporadic weather patterns).
- Robin should strictly have been a means for us to learn more about History, Oda could've dropped much more OP lore though Robin reading Poneglyphs like in PreTS. For fucks sake, she was Rebecca's baby-sitter in Dressrosa.
- Chopper was used correctly within Wano.
- Sanji was used very poorly imo, but he has been a failure PostTS, so I'm not even surprised.
- Brook was almost invisible in Onigashima. Hunting Poneglyphs should be left up for him from now on
This is why I have higher expectations from Vivi. I don't see her as a combatant, but rather a Diplomat. She could build the much needed bridge between countries throughout OP, the revolutionaries, sword, and in the Final Events as Leader of her Country.