re: Ex Machina is the best movie I’ve see in years SPOILERS

And yea, I also call the "easily predictable ending" comment supreme bullshite.

Yes, I can guess 15 endings for any movie from the first 5 minutes and one would likely be right, but that doesn't mean I "predicted" anything.

The fact that she was heartless enough to leave him caged up to die was quite telling of her "humanity." We keep mentioning aspects that ultimately prove she "passes" the Turing test, but she absolutely neglects to have the empathy/understanding that she is putting an innocent man to the same terrible fate that was her own just moments prior.

Few options:

1. Is her lack of morality in the end indicative of Nathan's true nature (which we learn in the movie), as he is the one who programmed her?

Even if there is a logical, or self-preservation, reason for leaving Caleb behind, it doesn't explain why she doesn't mind that he is going to die. There are plenty of ways to keep Caleb quiet without killing him. And practically infinite time to make that decision.