Yay for broken connections at college and losing my post.
Anyways, the ONLY time I have ever seen a wipe after open beta with Aeria was during DK Online when issues with the login server was causing people to login to other people's accounts. With the server still being >24 hours old and a big impact from an issue, a wipe was imminent to protect everyone. Every other time, a rollback was used instead of a wipe to undo any damage that was caused by something.
That being said, unless there is a huge bug that caused everyone issues since launch, there is virtually no chance of a wipe. And with the intro of SC's coming soon, the chances of a wipe goes to none because it becomes a huge hassle with AP refunds, etc.