Airplanes are not made in anywhere near the kind of volumes where the economies of scale would preclude profitably changing one interior part. Airbus and Boein

Airplanes are not made in anywhere near the kind of volumes where the economies of scale would preclude profitably changing one interior part. Airbus and Boeing both make significant customizations for each airline. Some have entirely custom seating configurations. An ash tray is nothing. The reason they're on the plane is safety requirements.