The faults of a superior person are like the sun and moon. They have their faults and everyone sees them they change and everyone looks up to them.
When it is obvious that the goals cannot be reached don't adjust the goals...
You do have to change things as warfare changes.
Every child senses with all the horse sense that's in him that any parent is angry inside when children misbehave and they dread more the anger that is rarely or never expressed openly wondering how awful it might be.