The Deep Web seems to be hosted on PDP-11s.

They forgot to mention child porn, reptilian discussions, conspiracy theorist sites and a sea of useless garbage.

Say I have a database of rightwing propaganda science papers decrying climate change, black people, and the fagness, how much cash do I have to give these people to make sure all queries for reason and knowledge go to me instead?

I poked around Freenet a little a couple of years ago. Found a puported Al Queda manifesto. Turns out those guys are a little strange!

It pulls up a lot of papers from interesting places, but it doesn't do better than just knowing which journals in your field are most likely to have the papers you want, and I guess that isn't surprising.