Here.
Please don't read comments until you've read this. It is very short and fast to read. It is radicalizing. It is a good short story to send to your friend who needs to understand what capitalism is. LeGuin wrote this in 1973, cementing her status as Chad Supreme of Fuck Mountain. Bow before her might.
Let's discuss in the comments below.
Omelas is a better world for everyone but that one child, sure. But it's fucked that you have to live your life knowing that child is suffering--perhaps entirely unnecessarily--just so you can be fine.