In general you'd also want the possibility of gaining entrance quickly, even if the latter might require use of a fire axe or something (typically emergency key

In general you'd also want the possibility of gaining entrance quickly, even if the latter might require use of a fire axe or something (typically emergency keys, though). Both for evacuation in case of fire (a guest might be unconscious in a room) or in the case of a medical emergency (a guest might call down and complain about chest pain, and pass out before opening the door).