What is a Utilitarian buyer?
Utilitarian is of, relating to, or in the interests of utility considerations in industrial design. An utilitarian buyer is someone that wants to by utilities for an industry.
You would use it to describe someone or something's preference for utility and practicality. For example, Bob's utilitarian approach to decorating his house meant that he used little ornamentation, instead preferring a practical, no-nonsense place. Like many factories it`s a very ugly utilitarian building.