It is like some of the stupid ideas you see in Popular Science. I dumped it a couple of years back when they decided to go with the globull warming myth.
This idea has been around for years. I remember satellites with solar panels beaming energy down to Earth. What part of limitless, cheap energy is objectionable to you? I like people thinking big, wanting to actually do something. Just think where we could be now without the stronghold of Big Government on our backs.
And, BTW, The Moon is a Harsh Mistress is possibly my favorite book...