In James Cameron's Avatar humans are attacking the forests of Pandora, bulldozing and killing indigenous population of the planet, to get to the natural resources their tribes are sitting at. The military is literally playing a role of guards, for the bulldozers, because the indigenous have become sort of very upset with humans, that terrorize their land. This is sort the plot of Eli Roth's horror film The Green Inferno, just Roth makes it way way more viscerally.
As I observed 2 hours ago in my review of Machete, the first film is about US politics of 2025. The second movie Machete Kills is something else entirely. If the first film is a semi-parody of exploitation films. This one is a full on spoof comedy, parodying not just exploitation films, but other things too. By the end of the film, the bullshit is so absurd, that you cannot stop laughing. And then Elon Musk appears out of nowhere to send Machete into space.
An exploitation film is a film that exploits some talked about fear or trend in culture in order to sell tickets to a movie that is probably not very good. Exploitation films are usually low budget, badly made B-movies, with a certain charm to them, if you like Tommy Wiseau's work. 2010's Robert Rodriguez film Machete is, somewhat of an intentional attempt at recreating the exploitation film phenomenon. Which exploits US politics of 2025, somehow. ( Rodriguez must have a time machine somewhere in his studio ).