Postless Members

Just checked the memberlist, and I found out that there's about 24 pages of registred members who never ever posted which makes their post count 0.

The Admins can probably get a rid of these useless people. I mean, can it make a difference about the space on the sever?

P.S.: It's not a suggestion, just an observation.

im taking database system management class right now, and yes a lot of users will surely take some space in the database (although it's not much) but if the system (of this forum) is using a lot of dependencies then the relationship (or u can call it tables in sql) might have anomalies (no script is perfect u know)... either it is an insertion, update or deletion anomalies they are still problems for the database...
so, i agree that the users who have joined but did not seem to participate "well" (the 0 count of posts) should have been given a warning first (by e-mail or posting a sticky message) then if there are no responses, it would be better to delete them from the database...
unless of course this site has a perfectly large amount of space...