The film has gained fans as the years have gone on, and now it has a new Blu-ray set of its famed "Cannes Cut," as well as a documentary about it.
If this were a novel, the overarching thesis would be that all art is inherently political, whether intentional or unintentional. Beyond that, however, is the concept of ideology – not what our stated beliefs are, but the assumptions, rules, and structures that we take for granted as natural, rather than an imposed worldview.