Being in charge doesn’t mean you have all the answers. In fact, it often shouldn’t, and this means that while you don’t know the answers, you are experienced in identifying people with those answers and knowing when to differ to their better judgment.
Those in petty positions of power who are unable to get their ego out of the way and accept the expertise of their subordinates are bound to end up in embarrassing situations like this one.
This venue supervisor refused to accept that the experienced bartender they hired might know a thing or two more than them about changing a keg. Prior to this, they had repeatedly been condescending, insisting that they knew better at each of the bartender’s suggestions to help manage the onslaught of service they were facing. The supervisor insisted that the lowly bartender didn’t need to be the one to go and change the keg and paid the price with a face full of beer.