Originally Posted by Fat SHUCKLE MAN
It might give you a better idea of what's being used in OU, but it probably doesn't for the average OU player, who's playing people at the middle/bottom of the ladder.
The average OU player can only stop being average when they learn how to get better, and part of that is realizing which pokemon are / aren't good and start incorporating that knowledge into their team building. I would actually say that these stats are more
useful to newer players because it offers a much better picture of what the top of the ladder is using which should help them on their own journey to reaching that level of play.