Re: sometimes you need a very simple clear rule like this to stop the BS explosion
"Unless the IETF has the backing of law, say by imposing fines or barring access, they have no power to stop a unilateral action like that."
They have the backing of something more powerful than that: reality. Don't forget that those commercial interests didn't put the net together for the IETF's use; they're riding on top of the IETF's work. The whole shooting match only works because it adheres to a set of protocols engineered by the Internet Engineering Task Force.
If they don't want to play by those rules they'll need to go off and invent their own network. There is, of course, a school of thought that this would be entirely beneficial to the internet.