People Who Compare Characters Do Not Get Laid
I discovered a while ago that most people who argue about politics don't get laid. However, the core of that subject deals with making comparisons. People who make comparisons are often insecure. Why are people insecure? Because they don't get laid (nobody accepts them). They don't get laid, and then they hyper-focus on trying to compare with other people in some way because they think it'll help them feel better.
This same mentality is true for people who compare characters. They don't really enjoy One Piece because of the story - instead, they are mostly reading the story to fulfill a need. This is called a striving attitude and it's unhealthy. When you are trying to compare yourself or things you're attached to with other people or things they're attached to, you're not really enjoying what you're doing. Most people on this website are like this, and they do not actually care about the story itself.
So... I'm going to point out the obvious - you guys fight so much about Vs. battles and obsess about Sanji and Zoro because you don't get laid. It's your way of trying to make up for it. Nerds.
Note: If you question this, ask yourself one question - would you have sex with someone who is constantly arguing about something? Most people wouldn't. It's a big turn-off.