Geez I wish people would calm down. You'd think a shot had been fired.
Now I've been away from the program for awhile, but it seems he may well have been following procedures (although there may be some sterile cockpit issues). If the picture I saw of the trigger lock now beiing used is accurate, then we probably haven't seen the last discharge.
Flimsy Airbus. If it'd been a 727 the bullet would have ricocheted all around the airplane until it hit somebody. (Just joking, just joking!).