Quite simply the news from the grapevine in general is that Google is broken and so its not our fault your website is no longer listed.
The real picture is very different and it is a lack of understanding and in many cases laziness that is causing the problems for so many websites, SEO expert Shaun Parker has written a paper called: Is Google Really Broken? This is an extremely interesting and informative paper which I would highly recommend.
The document looks at this growing defeatism by webmasters and some SEO companies and the impact it is now having on the industry, it examines grapevine information and the under currents from search engine forums.