Superpunk you are like talking to a damn brick wall and it is apparent you never have played a down of nor have been in a football locker room
Commanders fans can readily admit that Gibbs' first season back was a big failure on offense, even with a 1300 yard running back and that he wisely brought in outside help. Not doing so would have shown a lack of leadership and foresight
When the best available OC became available, who happened to be in the same coaching tree (Don Coryell's system) Gibbs went and got his guy and put his ego aside and gave up playcalling for the sake of the team and having it improve
However, Joe Gibbs, like Jimmy Johnson, Dick Vermeil (who gasp won a Superbowl with an OC and DC), and other head coaches set the tone for the organization. The discipline, the practice habits, the starting lineups, and do have a hand in the game planning process. They dictate the schedules, how much time is allotted for special teams work and who ultimately makes the team and what the right mix for the team is.
Like I said, if it was strictly X's and O's guys like Norv Turner, Mike Martz, Rich Kottite, Ray Rhodes, Dennis Green, Jim Fassel, Chan Gailey, Dave Wannstead, Dom Capers, would all be multiple superbowl winners
But its not. And if you had ever been in a huddle, you would realize that