There is nothing to get. Your argument is null and void. Averages don't win games. When you figure that out, you will move a step ahead in analyzing basketball. If we went by the averages, why would we bother to play the games?
Consistently good players make teams great. Consistently bad players make teams bad. Martell is consistently bad.
If you want to go ahead and keep arguing for the sake of Martell Webster have at it. It's not my basketball IQ at stake. It's yours.