Smoker went from being an unbeatable foe to a joke for Luffy. I expected them to grow in lock-step.
CP0 esp Mr. Go fell totally flat. So flat that characters defeated pre-ts ended up stronger than all of them. They have low plot importance so far, too.
Doffy’s executives were disappointing too, it’s hard to imagine them being undefeated in the coliseum. It doesn’t seem hard to find new world pirates stronger than them.