There is so much flexibility in where these can be deployed that you would probably never find them near a populated area anyway, just for economic reasons. The

There is so much flexibility in where these can be deployed that you would probably never find them near a populated area anyway, just for economic reasons. They can also be deployed at sea much more practically than a tower turbine. EDIT: according to the FAQ, there are failsafes for both navigation and tether failure. It can even land itself untethered!