I think the main issue here, as has been pointed out by other commenters, is that choice between a personal life and between work even at companies like SpaceX

I think the main issue here, as has been pointed out by other commenters, is that choice between a personal life and between work even at companies like SpaceX and Tesla is a false dichotomy. There should be no person who is so singularly important to a task that s/he cannot afford to be away without notice for even a day.[0] Dressing it up by saying you're changing the world is just another form of emotional manipulation. [0] Anecdotal, but I work in the space industry. People taking off without prior notice for emergencies happens and doesn't elicit this type of response.