Why does everyone fear nonexistent wireless VoIP?

Why does everyone fear nonexistent wireless VoIP? Is the question Mike Masnick asks on The Feature this week. From the article: "You can't really go a month in the wireless world without hearing of the next big "threat" to some wireless technology. This month it's wireless VoIP that's going to take down just about everything else in the wireless space. That might be a tad optimistic."

He's got some good insight on the vaporware mentality and what is really involved in de-seating an existing technology. And his whole Bluetooth-Kenny from SouthPark analogy is worth the read alone.