Correct. There is a reputation system within the system based on user group settings.
Level 0 - Unregistered or logged-out users
Level 1- Registered Users
Next to the thanks button is a triangle... click that and it sends us a note and docks the reputation of the poster.
Level 2 - Administrators
Administrators have a lightnighbolt setting. When reading a thread we can add or subtract points based on the quality of the post.
We also have a spam filter that adjusts the users rating based on the number of low quality or argumentative threads.
Here is a screen shot of the reputation buttons: