Originally Posted by PTravel

Wow. You read a lot into what other people do. I slide my arm in on closing doors (and will continue to do so), because the elevator is there and I can make it. It is not inconsiderate of the people inside (who, if they were considerate, would have pressed the "open doors" button). What is jerky is thinking that, because the doors have begun to close, it is now your personal elevator.