Aokiji killed That Giant Vice Admiral
Wapol killed Chopper's adoptive dad
Spandam and his dad Caused the deaths of Robin and Franky's families
Judge and his sons got away with Making Sanji's life a living hell
Strawberry is still alive after killing Fisher Tiger
Need I go on?
People will write essays to justify why it's totally different
The One Piece fandom is like this, refuse to admit that One Piece suffers from the same issues other shounen suffer from. They are like the MCU fans of Shounen