These are all good questions, and you could have asked them about IE and Windows – where it was found to be anticompetitive behaviour. The answer to "who decide

These are all good questions, and you could have asked them about IE and Windows – where it was found to be anticompetitive behaviour. The answer to "who decides" is the national competition and markets authorities of the EU's member states, or the EU's competition commission. The main issue from a legal point of view is whether Microsoft is exploiting its dominant position in business services to make its competitors suffer unduly, if it was not dominant in another area – which you could make an argument for, in my opinion.