The thing about cinema is that it can be more than pure entertainment. Done right, it serves as a powerful commentary on the social, political or economical state of any particular country or situation. In some cases, cinema is powerful enough to actually bring about change.
I think this is what Andrew Niccol tried to do in Good Kill, a movie that features a sermon about the evils of drone warfare in every other scene.
This is American Sniper for pilots.