Microsoft seems to be trying to do the right thing with respect to fair access to implement the MS Office XML specifications, but frankly, they get trapped in all the legalese. Taking the high road works best using simple, emotional, unmistakeable terms like "Don't be evil".

(Yes, simple, emotional terms are just a form of trickery - you need behaviour to back them. But no, I don't feel more reassured by cut and dried legal language that it is hard to even understand the legal scope of)