Re: "Overengineered"
"Remember Germany opted out of this EU requirement by stating it was uneconomical."
They did. But they are reconsidering that:
http://smartenergy.e-world-essen.com/en/exhibitor-information/press-releases/single/view/2015/03/10/expert-interview-about-the-smart-meter-roll-out-in-germany-and-wireless-network-technology-for-smart/