Six Controversial statements about New Media

What would you say to challenge these arguments ?

1. Web 2.0 like blogs, youtube and MySpace is digital narcissism
2. YouTube is a forum for copyright infringement and mind-numbing videos of skateboarding cats
3. It's the fault of webusers that a guy hanged himself in front of his webcam while in an online chatroom
4. Online communities gather just to confirm their own prejudices
5. Internet TV is not for amateur talent but is dominated corporate marketing
6. There should be a clear distinction between author and audience; some people shouldn't be authors as they don't have anything interesting to say.