cd34 may be you are right but if what greenguy sad is true then eventual some of our old sites will be replaced with new sites and may be that new site will not be the one you've submitted etc. I know it sound stupid but I'm a bit worried about this situation . I'm searching for some more info on this bug here is one of the theory I found
http://www.google-watch.org/broken.html they say that they've been monitoring google for the past 3 years so they proboly know a thing or two for google behaviors lately.If you have the time read it I did it sounds logical.