I too used to think that CEOs were a waste of resources, and that they had minimal if any impact on most companies. But I think people grossly underestimate how important CEOs are, because the vast majority of them do a decent job. When you swap out somebody who does a decent job for another person who performs at about the same level it's not really that noticeable. That said, you'll come to appreciate those "decent…
You need someone that can give the time and attention - except you would be better off with a human that can do the right thing poorly, instead of a robot that can do the wrong thing well.