And yet here we are: http://www.bloomberg.com/news/2012-07-16/google-antitrust-pr...
http://www.businessweek.com/news/2012-01-24/google-faces-eu-...
http://siliconangle.com/blog/2010/10/28/google-clarifies-adw...
They may not be guilty of any of these accusations but they are probably better off taking measures to be as transparent as possible rather than continuously defending themselves...