Ignoring for a moment the fact that most companies the EC is dealing with for violation of European Competition Law are European companies, let's look at just how reliable the claims about the EU having it in for Microsoft are.
They are not very reliable, it turns out:
So there you have it. Going with what Microsoft is lobbying them to do seems to be a strange case of "European bias against Microsoft, and that's why they started the antitrust case"...
David Hammerstein, ex-Member of European Parliament for the Greens, tweeted last week: 'SOS to everyone as sources confirm that Kroes is about to eliminate "open standards" policy from EU digital agenda; Kroes has been under intense lobbying pressure from Microsoft to get rid of interoperability and open source goals of EU.'