Mark:
What is the difference between "stfu when it's been made pretty clear which way the wind is blowing" and a section commander, after taking questions at the end of an O-Group and hearing objections saying: "Right. Carry on with the plan as briefed."?
A time and a place for everything.
And while I dispute the continuity of the impartial Civil Service that Edward cites I don't dispute that the instincts of both Elizabeth and Burghley were key in creating a successful government and have been key to all successful governments before and after. And that includes not just Civil governments but all institutions including those that are Commercial and Military.
Dissent before the decision is required. Dissent after the decision is intolerable.