[Dwedit]

What happens if a legitimate site (forums, wiki, etc) gets mass-spammed with slop?

[harladsinsteden]

I ceases to be legitimate.

[Joel_Mckay]

Registration process requiring a trivial task like "introduce yourself", 24 hour account activation delay, and email a one time login-code every time.

The bots and SEO spammers already fill sites with garbage =3

[KomoD]

Then that is the webmaster's problem and not mine, I'd want it blocked.