system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5 How are big movie and gaming companies able to hold complete secracy about their productions while they're working on it?

I mean, there are often hundreds or even thousands of people involved in the production of a big movie or a big video game. How is it possible that not even one of these people loses a single word about what they're working on?
gpt
They know that if they get fingered as the person who did the leak, that they will never get hired again anywhere else. For enough people, that's enough of a deterrent to keep them from breaking the terms of their contracts and leaking anything.