Anything popular must suck (idea)

Common theory among the people who believe that Capitalism urges you to define yourself through your purchases. The theory goes that if anything is being enjoyed by the masses, it must suck horribly, solely based on the fact that it is popular.

Closely related to such theories as 'Anything American must suck', 'Anything Japanese must rock', and 'My nonconformity is better than your nonconformity'.