It depends. First we would have to define what you mean by " movie buff." If it means someone that watches a lot of movies, including classics, or knowing several facts about specific films, then maybe. On the other hand, I believe what makes a movie buff is also the development of a refined taste for good art as expressed in films. If she stopped listening to her audience for a few months, what kind of movies would appear on her channel? Do you think she would choose to watch David Lynch's Twin Peaks or one of his films without outside influence? Would she develop a curiosity over short films? Would she be able to describe what made of movie good besides "it was fun" and "the actors did such a good job?" Could she point out a larger theme of the movie or seize on a motif? would she be able to recognize the allusions and allegories being made in the films? She's now likely to be more cultured than the average person, that's for sure.