There is a certain kind of respect for authenticity today that there wasn't back in the days when they did 'Cleopatra ' where everything looked like a giant motel. People want to have it be authentic in the look and authentic in the way people behave.
If we have any hope of finding ways for seven billion people to live well on planet with finite resources we have to learn to use our resources efficiently. Plastic bags are neither efficient nor environmentally friendly.