Well, the over optimization penalty is another patch from Google (Bing included for that matter) to save their search results from the smartness of SEO masterminds. Last year it was Google Panda update, before that it was the paid links crackdown and this year it will be the over optimization penalty. This has now become a habit of Google. Whenever there are too many questions being thrown at Google they come up with some patch or other to silent their critics.
Google, by no means, seems interested in totally changing their algorithm architecture. Instead, they have been patching their algorithm to fight those who trick their systems. Soon Google’s search algorithm will be a patch of patches with confusions all around.
Over Optimization is one such patch which Google will crack a whip on websites that concentrate more on SEO instead of content quality. [read]