So, as I said in the other post, at first, I agree with Usopp's theme of "being brave by overcoming fear". Very "green lantern" of him.
What bothers me about Usopp, and others characters in general, is the sense of lack in progression.
Usopp has being doing it since the beginning. It never change. He is often a coward, but when time comes, he shows how courageous he can be.
But think like this.
Alabasta, Miss Merry Christmas is mocking Luffy's dream about becoming PK, then Usopp makes that speech about not letting anyone laughing at your friend's dreams. Then....more than a decade later, you have the Usopp/Nami confrontation against Ulti/Page1, and while Ulti is telling Nami that Luffy's declaration about becoming PK is a joke, and demanding Nami to agree with it, instead of Usopp showing the same resolve he showed years ago, he starts to think "oh nami, its ok to lie in this situation, even though that's not what I did/do".
It was a huge kick in the nuts for me, ngl. Another moment that I found very bad taste was Zou, when the Minks said Raizo was safe. Usopp was like "bu-but you were all gonna die!". It feels like it's ok for usopp being "brave", but he doesn't think anybody can be too.
He doesn't want to be THE brave warrior of the sea. He wants to be A brave warrior of the sea. He KNOWS there are many brave people out there, and he wants to be like them, but he acts like brave people are somewhat rare.
Again, the "theme" for Usopp I believe its perfect for him, but what I dont like are the contradictions and lack of progression of the character.