It's kind of funny that McDonalds wants to own "Mc" so bad, since that prefix is generally appied as a reference to McDonalds to indicate a socio-political viewpoint critical to things many perceive as tawdry or cheap displays or products of consumerism, McJob, McDad, McWorld, McMansions, McFashion, etc...

No doubt they are within their rights, but one would hope they loose in the court of public opinion.