Actually yes the stats to take into account everything, because what causes one to win is both defense and offence. Again, the ratings don't care how you win, just the fact you won. If it was a break and run or a safe and run out with ball in hand, the stats show the same thing, nothing is separated. Just the higher lever players have a higher average game and when they play worse or better it's generally within a smaller +- range. When someone is a 550 it does not mean at all they shoot like a 650 and play safe like a 450, it just means the players they play even with are also 550 and the players they lose to are higher. You are trying to use human logic and feelings to explain statistics which tends to fail, there is nothing extra to read into things. Yes some players are straight shooters that don't play safe much, but those are all going to average out to a specific overall rating due to win/loss records.