Everything else.
The hours... Rotating 12 hour schedule (DuPont) google it. You do get 7 days off, but those days and nights you work 12 hours you just come home and want to sleep because of how tired you are. Basically 24 hour days.
Nuclear politics and regulations.
Sweet mother of god where do I even start. An operator is the bottom of the totem pole at a nuclear plant. If something breaks they will find a way to pin it on you and convince you that you're incompetent. I feel like whoever came up with "human performance" came straight off a nuclear submarine and into HR.
Run.