Reports of FBI going hard after archive.today around the time the HN account was setup and they post an archive.today competitor. Pings on the investigative article then a post to HN saying “3 days ago” which could indicate when FBI succeeded.
The only comment by the poster on this article is a sharp clarification of what doxxing is and isn’t.
Perhaps this is just an unusual way of slowly stepping out from behind the curtain on your own quirky terms after a fantastically long tenure.