However, regarding the man with the wheelbarrow. First, at all times now and in the future, people still have the option of using rudimentary tools like the wheelbarrow. That they have chosen not to do so speaks volumes about the importance of fossil fuels and the difficult transition that we have in front of us.

Second, he is probably smiling because he is pushing a small wheelbarrow and it is only half full. I spent part of my late teen’s pushing a much bigger one that was twice as full of rocks in the hot sun. Heavy manual work is ‘fun’ only up to a point. Most people today in the West do very little of it.