It sounds like you're frustrated that they're not familiar with your DVD collection. It also seems like you're not making a distinction between the hobbyist and the average person. We were having a discussion about movies in my office the other day between a younger guy in his mid-20s who had only started taking movies seriously recently (a fairly common phenomenon that I think you're discounting), a guy who's the same age as me (34) who has fairly established tastes in film, and me who only watches older films. To say I was not on their wavelength is putting it mildly. I can't remember the last time I watched a new film at the cinema and I don't even own a TV. I have only the vaguest sense of what's going on in modern pop culture. At the moment I'm reading comics from the 70s. I'm out of touch with modern pop culture, but surely if you put together a montage of things that were culturally important from the last five years or so it would resonate more with these kids.
It's not just my DVD collection, it's everything. Basic history. Basic cultural knowledge. The basic story of how things develop. A rough gauge on what was going on in each century. And so on and so forth. It's not there.
It's frustrating because it means I have to explain it. I don't want to have to explain it. I want them to come ready-made, from school, at least having HEARD of, say, Method Acting, or Marlon Brando, or I dunno, an idea that the Romantics were in the 19th century and that the Restoration happened in the 17th century.
That's all I want. Come knowing that shit already because it's the ABCs. We're in university not kindergarten.
The problem is with the way history is taught in school. They teach pockets of history in detail but don't join them up.
So kids learn about The Tudors and The Nazis but 1) about virtually nothing else and 2) seemingly have no idea how they join up with other world events. No diachronic history. That's the basic problem.
Not knowing specific shit on top of that.