The pessimist sees an obstacle in every opportunity; the optimist sees an opportunity in every obstacle.
Elevators (or lifts, if you are a Brit) have a very low friction user interface. The user merely pushes the up or down button, and a door opens with an indicator light confirming the direction of travel. Then, the user pushes a floor button, the door closes, and eventually it opens on the desired floor.
Most of us can manage that process with no attention at all. Sometimes, that lack of attention has amusing results. I’ve occasionally been in autopilot mode, exited the car when the door opened, and then found that the elevator had stopped at a floor before my destination. ...