The point being that this is irrelevant. Do you think Bezos invented Cloud services or coded AWS himself? Did Musk invent the electric car? Did Ford invent the regular car?

It's about leading and putting things to market and succeding there, not about inventing stuff. They're not in the inventing or research business, they are in the selling commercial products business.

He didn't have the ideas, but he was a core part building the organizations. So you shouldn't listen to him when it comes to computer engineering, but you probably should listen to his thoughts on leadership and organizations.