[cirrus3]

The technical reason was “for loss of trust and confidence in his ability to execute the responsibilities of his command” which is not related to him following the book or if the book is right or wrong.

Which makes sense. It was subjective and that is ok.

“As a commander you serve at the pleasure of the commandant,” Del Pizzo said. “It was an absolute privilege to have the opportunity to lead the Marines, sailors and civilians of VMX-1.”

also

“he made the decision to relieve the commanding officer of [VMX-1], due to the unique mission of VMX-1.”