He said that Oda completely dropped the story lines of both dreams
with Zoro's case he didn't create a structure for us to follow and understand Zoro's progress torwards achieving his dreams, there's no rankings or grades of Swordsman, the quality of the blades end up having 0 importance in the story, Mihawk says he is gonna wait at the top (as if he is being constantly challenged for his title, yet we see him just drinking and resting for 2 years in retirement waiting for Zoro to fight him), there's basically only 3 people that care for the WSS title, that is Zoro, Mihawk and Kuina (who is fucking dead). While we have to watch the entire world structure of pirates, supernova, commanders and Yonkos, and we can see how Luffy is evolving along the arcs to achieve his goal
and Sanji just completely fucking forgets about the All Blue, it's a completely missed storyline, Sanji has asked literally 0 people in the world about clues or anything related to the All Blue, that shit was used as gag in Fishman Island and the only clue we got was in anime only filler. Sanji got a whole second arc in Whole Cake, an arc related to cooking and his character, yet his dream has 0 impact on it, and when Sanji meets Rayleigh and we see all that talk of Robin, Usopp and Luffy considering asking about the One Piece, Sanji has 0 thoughts about asking about the All Blue to one of the most knowledgeable persons in the world
There's a lot more, but this is the base for those two