Not sure it’s who you think.
Its last four posts were today, but before that, around once a month.
Hmmm, weird! Because I’m sure I’ve seen posts by him/her/it daily . . . Oh well, no big. I do wish there was some kind of “block spam” function on FR, where it doesn’t really do anything to the poster, but people clicking that button wouldn’t even see his/her/its posts. Maybe someday?