But that's how they set up their system: users can create and manage their own areas of the site, while users add content. It was actually a pretty good idea ten years ago. Back then you had slashdot and fark and other forums where the admins essentially created all the different content areas (subforums, I suppose). So it was always a little limited. Now reddit comes along and you can create an area all your own just to talk about beanie babies or whatever. (last sentence removed).
How ironic. That's what the Usenet is and was long before WWW came alone.