Well, sometimes people do things for the wrong reasons. They ragequit, and the behaviour here's suspect.

Sometimes, we need to go check, what happened, we need to decide if this person's doing this to cause problems. There's no valid, innocent reason to unaccept that many answers. (Curiosity? not the best reason)

You could probably have asked first. If its going to do mass changes in reputation especially, people are going to look at it funny.

You shouldn't have unaccepted 100 answers at once. Trickling the reaccepted answers would be nice.

Well, sometimes people do things for the wrong reasons. They ragequit, and the behaviour here's suspect.

Sometimes, we need to go check what happened and we need to decide if this person's doing this to cause problems. There's no valid, innocent reason to unaccept that many answers. (Curiosity? Not the best reason.)

You could probably have asked us first before proceeding. If it's going to do mass changes in reputation especially, people are going to look at it funny.

Also, you shouldn't have unaccepted 100 answers at once. Trickling the unaccepted answers would be nice.