YouTube teaches you to make certain steps. Nobody on YouTube shows you their exact approach built on over 25 years of very specific production plans and concepts.
Including how to win at the client relations game, actual contract clauses, pricing math, and how they handled the hotel AV team that tried to charge them $4,000 for a power drop.
This is the business behind the camera, and it is the part nobody teaches because most people teaching video have never run a production company.