Television is like the invention of indoor plumbing. It didn't change people's habits. It just kept them inside the house.
We seem to have a compulsion these days to bury time capsules in order to...
You do have to change things as warfare changes.
Film-makers are always going to be interested in making movies that plug into society around them. That's what a vibrant artistically alert community should be doing. After all it would be sad if we only made films about alien robots.