Database replicas are "distributed", but not in the sense ActivityPub is. The same error could have happened on any centralized service that had more than one

Database replicas are "distributed", but not in the sense ActivityPub is. The same error could have happened on any centralized service that had more than one db instance and background cleanup jobs. I don't think Xitter runs entirely off Elon's laptop yet, so they could have had the same kind of error.