Mad Max Fury Road. They defeat the tyrant, and get the control of the water valves. Then they open the valves and seemingly keep them open. One problem, how long is the water reservoir gonna last now?
Logan’s Run. The city dwellers are freed from the computer’s iron-fisted rule, and Carrousel. But their city is in ruins, and thinks to the computer providing everything. They don’t know how to live without it. The city dwellers are going to start dying off real fast.
Max is not just one guy. He is an amalgamation of road warriors remembered in legends by the post-apocalyptic societies they helped
That’s one way to interpret it, but I don’t think the movies ever actually tell us that. The game certainly suggests something else entirely.