Defamation is a crime. We can’t say whatever we feel like online, unless we want our shirts sued off our backs.
And the evidence for this? Keele University is threatening to take legal action against students who criticised staff on MySpace and Facebook. And that’s just a University, so he’en help thee if thou criticisest a large company or politician.
Maybe I’m being unfair. After all, I don’t know the nature of the comments in question.
I realise this has nothing to do with TV or films, but hey, I get bored sometimes.