The recent exploit hackings could have been way worse.

I would like to disagree. Once you reach the point where a rollback occurs it doesn't matter how bad the meso/exp hacks are. They are all on the same level since the rollback nullifies any damage done.

The only way it could have been worse is if, like you mentioned, it had been rolled back to a point further in the past. Which again has nothing to do with how bad the hack is but rather how long it has been abused.