How Can A Cult Movie Be Overrated?
If this movie was greatly hated, people would say, "it's underrated". But because it is greatly admired, people say, "its overrated".
HOW CAN A CULT MOVIE BE OVERRATED?!
The mere fact that it is a cult movie means it wasn't accepted by the masses.
But because over time it has built a decent following, here come the young haters. Young people seem to hate everything that isn't new and respected.