He spent the next 30 MINUTES arguing with the interviewers (they were at lunch), and was *barred from re-entering the building* when they drove back. The whole of senior management freaked the fuck out and created a policy THAT DAY on how to handle an employee bringing in unauthorized code. (It's a MASSIVE copyright lawsuit risk if the company ships that in product!)
(My office-mate was at the lunch interview, hence me hearing the story. He came back looking like he'd seen into the abyss. XD I only saw the candidate walking sadly to his rental car through the window.)