IMO the reason why One Piece sales started to drop around the time of Whole Cake Island is the lack of payoff.
I feel like the story has gone on for so long and the mysteries so entrenched that at this point pretty much any set of final events, conclusion, or answers we get will feel very underwhelming.
I feel like the story has gone on for so long and the mysteries so entrenched that at this point pretty much any set of final events, conclusion, or answers we get will feel very underwhelming.