> At some point, the laws that protect us from government, must also apply to these massive quasi-government monopolies - or they quickly become worthless.

Except that Google cannot arrest you, prosecute you, sentence you to prison or limit any other right you might have. The best that they can do is no longer letting your voice be heard on their service because you have violated one of their _stated_ guidelines. If corporations were doing this in secret, that's a little bit different, but Google is being very forthcoming on the guidelines they are setting.