Complex legal problems have prevented this film from being shown on television, and/or made available on pre-recorded commercial VHS or DVD, and may eventually jeopardize the survival of existing material.
Mr. Meyer's taking off his hat in the elevator shows that he is a gentleman, superior to the other men, who leave their hats on. At the time, it was considered polite for men to remove their hats in the elevator, as they would anywhere indoors.