Sorry. I just don't believe it. The door is required to be closed and locked. I can't believe any Captain would put his job on the line by violating a FAR so flagrantly where everyone could see it. I also can't believe that the cabin crew and F/O would take him to task for it. If a captain I flew with didn't close and lock the door, according to company and FAR regulations, you can bet that aircraft might go somewhere sometime, but not with me inside it. And then the captain could explain to the chief pilot why his F/O walked off the aircraft and used the jetbridge phone to call union professional standards and the company's chief pilot.