Jay
Need to dive more!
reason: as some threads are more informative/collective lists rather than a discussion, it's very helpful for succinctness that the OP be continuously editable. In order to maintain OP history, the earlier versions of the text could be retained in the OP.
This would also save repeated requests into the moderators to update the OP.
This would also save repeated requests into the moderators to update the OP.