Google continues to pretty much ignore the 302 trick and it's implications.
So more and more people are doing it just to fuck around.
Google's adsense page has been targeted, and google's index too.
Here's a funny site that's done it just to mess with google.
http://www.pr10.darkseoteam.com/
same backlinks
http://www.google.com/search?q=link...darkseoteam.com
http://www.google.com/search?q=link%3Awww.google.com