I hate to stand up for Gail Shea and her administration but I guess I'm on her side this time.
He's clearly not the happiest employee and he created a game based on his experiences working in his current and previous environments. The knee-jerk reaction is to assume that confidential information has been compromised and they would need to do an investigation.
When it comes to working with confidential information you have to assume the worst has happened. From a PR perspective there's no way he could keep his job. I wish the guy luck in the future, though. I wouldn't say he screwed up but I can understand how other people would think he has