I just signed too, but not to spite TK and the other "nay sayers".
History has proven that anytime anyone comes up with any idea, someone will come forward to say that it won't work. The trail of technology is riddled with the bones of "nay sayers".
I think the dispute began when all those that could profit realized that these spaces will inevitably be used for broadband.
I just happen to like the "Wireless Innovation Alliance" model better than anything else I've heard.