In an effort to reduce system load I do not see why making system stats available to non users would be beneficial.
What is the reason you had in mind?
On a side note I just updated the stats page to include active user indication on the top 10 and current speed of the active users.
Also made some additional interface tweaks.
http://www.ttdsales.com/64bit/We are about to cross 1/1000 of the entire range.