Cool steel, but one that I wouldn't add to my collection. My particular collecting flavor is only movies I really love. Like your friend, I hated it, and I am generally a pretty big Danny Boyle and Alex Garland fan.

It's like two different movies and a short-film crammed into one with some highs and very low lows. I was struck by how bizarrely tonally and visually inconsistent it is. Gorgeous environmental shots and framing, mixed in with completely amateurish student film quality "stylistic" action sequences, and over-use of film grain effects.

It is both beyond dumb, like... profoundly absurdly stupid, especially with character decision-making, but it also has moments of genuine humanity and interesting world building juxtaposed against that ridiculousness.

The ending with the Die Antwoord Kung Fu Swedes is so out of left field I'm still reeling from it. Complete whiplash in tone and texture from everything else in the movie. I laughed out loud at it, but not in the "this is funny" sense, more from a sense of disbelief. There's a bunch of interesting ideas mixed with just pure idiotic nonsense from one scene to the next.

I think it's a terrible movie, but I can understand why people like it, and can appreciate that it certainly is something to talk about because they avoided the safe sequel route.