I found his take on the space data center a bit negative. No idea if it is feasible right now, but you could have made the same jokes and ridicule about the feasibility of electric cars (batteries too weak!) before Elon build Tesla. And Patrick just lists some reasons why it is currently hard to do. I'm by no means a Elon fan, but if anyone could pull it of it's him, and attempting these hard challenges is a good thing.