> And this inevitably means you get an overrepresentation of

Why do you assume this very consistent pattern of 'new forum overrun by [the material you've mentioned]' is anything other than a transparent attack on free discourse?

I mean, it's very consistent, isn't it? Everyone knows it happens, and it's a good way to scare people off even thinking about visiting those forums if they think that any day they could go there and have their browser history full of ick.