So anyone can play, but only good players have any desire to keep playing. Contra the dumbing down of programming, it's an intelligence test of sorts to be able to edit a wiki page. It's not rocket science, but it doesn't appeal to the TV-watchers. If it doesn't appeal, they don't participate, which leaves those of us who read and write to get on with rational discourse. Wiki is far from real time.
Folk have time to think, often days or weeks, before they follow up some wiki page.
So what people write is well-considered. Topic WikiCulture . All material on this collaboration tool is the property of the contributing authors.