It depends on what you mean by “best coach.”
The best teacher?
The best game manager?
The best tactician?
The best recruiter (salesperson)?
The best networked?
The best fundraiser?
The most caring?
The most ambitious?
The most motivating?
You’re not going to be the best at everything — coaching would be a draining profession. But you could be the very best at one thing, and you could tell the world about it.
John Wooden was the absolute best college basketball teacher. He landed in an advantageous place at UCLA at just the right time, and found assistants to do the other things well enough.