to be fair it's one of the most popular foods in america, if not the west in general. with anything that popular, the majority of people who like it are going to be, you know, among the majority of people in general. and the majority of people in general aren't very tolerable.
@Alex It's not really consumerism as it's not tied to any particular brand, and you can make pizza yourself, including professional quality pizza if you have the right equipment and skills.