I really do wonder if theatre goers are really comprised of so many young men or if the investors just think they are because this is an old model. There's a tendency in research (and investment is just another kind of research) for bias to cloud interpretation of the results. This is shown over and over. A lot of what I read in many sectors, whether it is from actors, critics, film-makers, film-making professors, people in the investment side is that this is just as true in the movie industry.