All of this freedom - being able to add to, edit, or delete anyone else’s blip in any wave - doesn’t just lead to accidental destruction but concerns about people “putting words into their mouths”, and raises a number of trust issues for many.

Early thoughts on Google Wave

I’m certain that this will not be as big an issue in later iterations of Wave, and there are already some safeguards in place. Nevertheless, it is a real issue to watch as Wave matures.