One helpful (if imperfect) way to estimate ‘deep culture’ impact is to look for films that have achieved success what at what Hollywood sometimes calls the “double bottom-line.”
High Culture? Pop Culture? Shouldn’t a Great Film Impact DEEP Culture?

One helpful (if imperfect) way to estimate ‘deep culture’ impact is to look for films that have achieved success what at what Hollywood sometimes calls the “double bottom-line.”
By necessity I have developed my own informal (and often intuitive) system for finding worldview-shaping films that you might find interesting as you consider your own choice in films.