Dealing with people is generally far harder than pretty much any engineering problem. The same is true of Twitter, because there are no easy answers or even clear goals.
Exactly! I can't fathom that people don't seem to understand there's a comparable amount of new companies started every year in the space, automotive, and social network categories.
The easiest way to do this would be to make the site completely free of moderation, but that quickly becomes a cesspool. Are there other ways to define the core audience?