There are situations where developers emailed/cloud uploaded/took hard drive of code they had been working on when he left the organization and were looking at

There are situations where developers emailed/cloud uploaded/took hard drive of code they had been working on when he left the organization and were looking at prison sentences for theft...not copyright infringement. They didn't even give it to someone or reuse it somewhere. Just the fact of trying to keep it when they left as illegal. All that to say that in some circumstances taking source code is considered theft.