Thanks, forgot to include that part of the action. Pumps only go up when closing the valve isn't enough.
Okay, okay, before you get me on this one technically the amount of air bled off of the compressor. There! :^)
In any case, these people are total idiots who have been watching too many movies. You could spray the side with SMG fire and the plane wouldn't go down, nor would the plane likely lose pressure (although we still have those cute little masks).