If you are looking for a thesis for an "interesting paper," the best angle is not the movies themselves, but The answer lies in global inequality, data costs, and the universality of the desire for entertainment.
In many parts of the world—including India, Nigeria, Indonesia, and Brazil—mobile data remains expensive relative to average income. A standard 720p or 1080p movie can easily consume 1.5GB to 4GB. A 300MB movie uses roughly 10-20% of that, allowing users to download several films per week without exhausting their data caps.