The best movies in my view are the ones that make you think and expand your mind. This one is about what it means to be human and what you can do to people who "don't count". There's little I can say without giving it away so:
Spoilers below! You've been warned!
I'll try to keep the examples brief, but here are some quick takes from the movie (and the concepts they raise):
A smart-toilet analyzes a man's morning pee and determines he has been eating too much salt. Later in the lunchroom, he's denied his beloved bacon for breakfast. Another man gets angry and hits a wall and security instantly appears to have a "chat" with him about his outburst. A man and women start to get close, but security steps in to remind them to keep a "proper" distance.
The hundreds of employees that run the facility know about the abuse of the residents, but do nothing (supposedly having bought into the "they're not real people" pitch). Trigger warning: there is a scene where they birth a baby then kill the mother because they were just using her for the birth and didn't care about the "lessor human".
Anyway, it's a good movie with plenty of action and it accurately portrays the horror that could occur if we increase our technology and forget humanity along the way.