It is not the way to do it right. It is not the path to success. It is the way that standards wonks think, but I doubt it works as well as registry negotiation. If Microsoft wants to be a good partner, provide technology and some startup templates, then get out of the way. Powertrips are not attractive.
Education is seductive.
Influence is more powerful than rules. I'm going away to where the grass is greener still. A list for W3C XML Developers. And the receiving node gets to change its mind when it needs to. It gets to renegotiate and it gets to advertise the interfaces by which it does both to configure the means and expressions of the transactions.