That doesn't make sense as far as the point goes. There has to be something more than a tautology.
They originally saved money by using a cardboard tray not a box, that had a paper sleeve over it to keep the pizza sanitary. They could get two pies in there for what it cost the bigger chains to deliver one.
The fact that one person doesn't see value in a good or have a willingness to pay the asking price doesn't mean nothing is created. There exceptions however, but by and large people are free to pay whatever price for whatever good. Canned fresh air, little caesar's, art etc.