He made a monstrously inaccurate statement about the area of a solar panel and the power output of an area equivalent with the surface area of a nuclear power plant. I thought he was well versed in how utilities and energy work, but this made me see him in a different light.

https://youtu.be/UKT2tKmVk6g?t=16m52s

I at one time thought Elon Musk was monstrously good engineer, but I found out he was a physicist recently.