Even regular books are proof-read and ironed out. Some teamwork might be neccesary to craft a more complete plot.
Maybe we wouldn't have had so much panel time wasted on tired 20 year old, stale gags, and random samurai repeating the same 3 lines every chapter.
Maybe all of Gear 5's foreshadowing wouldn't have been in one forced conversation 15 chapters before the reveal.
"I hate strawhat because he has that gum gum fruit, a special fruit that the government wanted, they threw me in jail, and the guard spoke of the Sun God Nika, a boy who brings joy"