No matter the OS, no matter the exploit, that name alone in the title of an email to bugtraq can send shivers down the spine.
Two things: There was little stress testing because GPG has a byzantine Internet policy, and forbids its workers from using anything but the Web at work. No holes were poked for them to test online.
Second, Scott Kevill's GameRanger quickly pulled the slack in for Demigod, and supported the game online just two days after launch. As I write this, there are around 100 people playing Demigod on GameRanger right now.
If I have not seen so far it is because I stood in giant's footsteps.