Until the invocation of the 5 Gorosei, the "heroes" had a clear superiority over the "villains".
This caused Lucci and Zoro to artificially stagnate, and Sanji and Jinbe to do nothing.
On the other hand, GreenBull's presentation in Wano made no sense, the guy practically went on a suicide mission alone.
It would have been better to introduce him in Egghead and have him fight Zoro and Sanji, while Jinbe fights Lucci.
That would have been better to equalize forces and have more tension.
This caused Lucci and Zoro to artificially stagnate, and Sanji and Jinbe to do nothing.
On the other hand, GreenBull's presentation in Wano made no sense, the guy practically went on a suicide mission alone.
It would have been better to introduce him in Egghead and have him fight Zoro and Sanji, while Jinbe fights Lucci.
That would have been better to equalize forces and have more tension.