In my work experience I believe that no one is better than the others, and that in the line of command must always prevail the productivity that is the general purpose, and for this line of human beings to be possible we all must subordinate the personal; to do an honest, constant, respectful and professional work.
This breaking point is called (until the bell rings) as you rightly put it.
Otherwise, it always ends in failure, in a breakdown @galenkp