A great analogy can be found on basketball teams. Lots of star players who should succeed sans any coach, but Phil Jackson and Coach K have shown time and again the important role leadership plays.
Of course you need the people who can deep dive and solve complex issues, none doubts that.
You can see this at the micro level in a scrum team between the scrummaster, the product owner, and the tech lead.
I could not convince them that this was actually evidence in favor of Coach K being an exceptional coach.