I wrote a short answer last night on this question shortly before going to bed. When I got up this morning to edit the answer to add details, it had been migrated to a comment. It was a short answer, so fine, I understand.
What puzzles me is that there was no alert showing in my stackexchange inbox. Why? If this is a known issue, then it should probably be standard practice to tag the user in another comment to alert them to the change.