We should collectively be critical about how loosely we tend to use superlatives and not base the stories spun by PR machinery to qualify a person or her work. Elon Musk has invested his money, ideas, energy into - Making solar one of largest sources of clean energy - An electric car which is not a joke and probably better than a BMW M5 to drive, self-driving cars? - Satellites to cover entire land on earth with wifi - A plan to go to Mars and setup a camp there - A plan for rapid transit through tubes. Opensourced design blue-prints. - SpaceX
He is not dead and he has long way to go. We should reserve the word visionary for people like him. Let us be honest.