Look, really not. When the bartender glances at the customer and decides whether they have already drank too much, if the bartender makes a mistake and the cust

Look, really not. When the bartender glances at the customer and decides whether they have already drank too much, if the bartender makes a mistake and the customer later crashes into something it is not the bartender's responsibility. If the bartender decides as a rule "first of all, if they seem uncertain on their legs it is already a no", again that is just a codification of the former.