The US military does extensive leadership training for officers. It is based on a thousand years of experience. None of their training materials consist of Star Trek fictional scenarios.
- Col. Terry Virts, USAF
https://www.smithsonianmag.com/air-space-magazine/star-trek-...
In particular, I think (I don't know for a fact) that the military emphasizes that the commander not be best buddies with those under his command.