I've heard from a person that they like purposefully slam the door (not pull the handle down and close it silently) in order to alert other people that someone walked in/out. Is that not abnormal?
In a house where I lived long ago, one guy would pull doors closed with a wrist snap. His girlfriend did this too, so if they were shuttling in and out of bedroom and bathroom, it could sound like a toy-gun fight. But then there was the winter night when the door (wooden) bounced back a little before it could latch, and eventually came all the way open.
My neighbours do this. I guess I should appreciate them alerting the nearby residents that they have returned home or are entering or exiting a room in their house.