I think post-Wano it will improve dramatically,remember OP was about Luffy taking on the Yonko to find the One Piece!But Oda kept having ideas and things became too big,the original OP plot we will see right now!
Oden and Roger's flashback was really fucking good,if you didn't get the feeling we accomplished something by reading this you don't really like OP!
What is so fucking good about Lolden and Roger's flashback?
Introducing Lady Toki, the survivor of Void Century, who contributed basically nothing to the story?
Or making Kaido which had biggest hype during his World Strongest Creature debut, got saved by a hostage?
Or offpanelling all the scabbards vs calamities?
Or making King and Queen appear in silhouette although they already appeared before, because in Oda's mind all characteers look cooler in silhouette?