[quote=Kaga]
It just occurred to me that any easily-accessible statistic given to us that can be used as an indicator of activity levels will be turned into a sort of contest and/or symbol of status.We don't have post counts anymore, but that's ok - we have PM's. 
[/quote]

The extremely high, and extremely low will reign supreme. Those in the middle will forever be ashamed of the fact that they don't compare. And will start sending themselves thousands of messages.