I’m not a lawyer, but this sounds wrong. What would you say to Rockstar employees who go work at another developer? They saw the code, and they signed an NDA. If anyone is on the hook for something like that, it’s those people.

It’s Rockstar’s responsibility to protect their trade secrets. Copyright law protects them from someone taking their work and redistributing it, but none of the designs or ideas in there are protected by that. Copyright only protects actual works.

…again, I’m not a lawyer, so I could be wrong. I am a layman who has studied this topic a lot though.