Are talking about Mad Max: Fury Road? What is it supposed to allegorize? I know that the action genre has been appalling, but it is a good action picture, and that is about it. It is no Children of Men.
The environment with all the stuff about water and gas, male/female relationships, the ills of living in a world where the resources are controlled by a few and given to none unless they beckon, hope and optimism vs cynicism, gender roles, and also asking are there problems living in a patriarchal society.