That's probably true. (And more so for Mozilla, which is a corporation owned by a non-profit foundation complete with manifesto.) But the fact that corporations have played their part in sowing the wind doesn't make me favor the whirlwind.

And it seems they should at least be judged on the basis of what ground they've actually chosen to stake out. Google, of course, has its nigh-universalizing "Don't be evil" motto, which would cover just about anything. IIRC, some of Apple's claims range nearly as far. But Mozilla's mission seems to be defined specifically around the Internet as an open and public resource, rather than broader social issues.