The aircraft and the technology are impressive enough in their own right. The team and the sponsors that made this happen are not lightweights by any measure!
However the real point of this project and adventure is basically twofold. One, to prove that off the shelf technology is available to be applied to real world applications right now, PV and battery technology is quite mature already and it does work. The second point is that whether we like it or not we, as a global industrial civilization are on the cusp of a historical transition to a completely new energy paradigm. BAU and fossil fuels got us here but from here on things will be changing at a very fast pace. We will all have to make do, and do better, with less available energy. Some of us will rise to the challenge and hopefully forge a new better and cleaner future with a smaller ecological footprint. Clinging to the old paradigm is a mistake!