You see, if some of you didn't live in your mother's basement, you might actually have company over sometime. And every once in a while, you might all decide to watch a movie. At that point, usually your guests get to pick a movie from your library, however big or small it is.
Also, regarding the "huge" cost of a newer television. How about the cost of going to a theater, only to not enjoy the show thanks to people talking on cell phones, inconsiderate kids, etc.