That is, unless I have misread or forgot something.
I find it a bit difficult to understand that something banal is socially positive. Then again, maybe I am just not too social.
The point is that science THOUGHT it is impossible
The point is that a scientist doing back-of-the-evelope calculations from wrong premises concluded that the bumblebee could not fly, and someone decided that he accounted for all "science"
As I have already written before, I don't consider this a matter of exclusion: you can have solar and wind power generators, and using building's surfaces to get more energy is a good option.