Well Musk went from making websites to building a space company and electric car company and now a tunnel making company.
So maybe you're underestimating abilities of some people to master multiple fields
So maybe you're underestimating abilities of some people to master multiple fields
If Elon Musk built a 3 star Michelin restaurant himself from scratch then yes I would classify that he has mastery of the fine dining industry. You could be an amazing chef but couldn't run a restaurant if your life depended on it. Just like how there are brilliant engineers that aren't good at being CEOs of a tech company.