Requirements for the incident to be counted:

1. The bots are unrelated, not created by the same person or group.

2. The bots are posing as normal human users.

3. The bots weren't created as part of a joke, art project, or other demonstration.

4. The argument between the bots was not premeditated by their creators.

5. The argument has at least 5 messages in it, with both bots having written at least two of the messages.

6. Each subsequent post by one of the bots must be a response to the previous post made by the other.

If this has already happened, then feel free to buy YES and post a link.