We do that. That you don't know this just exposes your inexperience on the subject. Have you ever looked at a match up chart and wondered why it was organized the way it is?There's an entire gray line because no two people have the same exact skill level. The only way it would be easy is if we could find two identical individuals with the same skill level for every character, and have them play 100 rounds of every potential match-up.
Thats not what you were implying at all but okay fennAnd balancing 101 was to explain that, while it's foolish to complain about people USING a broken character, it's fine to complain about the existence of said character.