“The person who made the unauthorized change rejoined the company a few weeks later, as originally planned.”
An intern slipped a middle-finger cursor into Windows 3.1 as a joke for the testers. That build went out as a beta to hundreds of partner companies. The executives demanded a head, and the manager said, truthfully, that the person was no longer with the company. He was on a two-week break between internship and full-time job. The best corporate answers are technically true.