Google Defuses Googlebombs
John C. Worsley writes "Google announced today a modification to their search algorithm that minimizes well-known googlebombing exploits. Searches on 'miserable failure' and their ilk no longer bring up political targets. The Google blogger writes: 'By improving our analysis of the link structure of the web, Google has begun minimizing the impact of many Googlebombs. Now we will typically return commentary, discussions, and articles about the Googlebombs instead.'"
Are you saying that bots are getting different search results than users? Because absolute shitloads of websites serve different versions of their pages to google for a wide variety of reasons. For example some premium sites allow google to index part of their content in order to rope people into buying a subscription.
Yes, that's called "cloaking" and can get you delisted. BMW Germany's website got removed from Google a while back for doing it, and presumably less prominent ones regularly are as well. Google's official position is that you should write a decent web page and they'll be able to figure out how it should rank:
MediaWiki developer, Total War Center sysadmin