One Piece is a more popular anime. It has better world-building, animation, Lore. Masashi Kishimoto is certainly a man in love with the industry who does well to compete in and celebrate the medium. However, much like author others, he can noticeable grow tired with his series, further encouraging him to either end things or create drastic change.

Eiichiro Oda on the other hand is someone who's a bit too in love with his series, maintaining the same interest for the story that he had when he began to this day. He works an insane schedule and was once even hospitalized for overworking himself, bringing a love and interest for a story near unparalleled within his industry.