1. Let kaido and bigmom get defeated easily
2. created nika, the worst plot armor and destroying gomu gomu no mi development after 1000 chapters
3. Less less srawhat conversation make them feel stranger towards eachother, when the last time you see sanji talking with franky? Or brook with zoro? Or robin with ussop ?
4. Im sama
5. Seraphim, instead using their original character one piece using their clone, its lazy shortcut, what a trash writing
6. Add more mysteries rather than solved mysteries
7. Too many off-screen fight (lazy writing)
8. Too many one shot fight (lazy writing)
9. Destroy a character just for a hype tools for another character and again its called lazy writing