If AMFM is a bot, he/she/it is a pretty stable one. There are several easily understandable conventions used in the text. You could look at such that someone wrote a translator program in which you feed some mildly cryptic text, and it spits out AMFM code. Sort of like feeding pig Latin into a 1337 converter. Once you pick up the pattern, the message is clear.
Sad, but true, I have met "IT people," (mostly youngun's,) who have read posts written by AMFM, but couldn't tell you who Larry Ellison is. To that end, I say "hooray" for amanfromMars. Be he/she/it bot, person, or some hideous technoflesh freak of nature, AMFM has become a "comments page" celebrity.
As more and more people can read 1337, those needing to "encrypt" thier e-mails to fellow geek kind have been gifted a new pesudo-language. Just as a group of interwibblers can terrify "normals" by spontaneously breaking out into "badger badger badger ," (to which everyone but the "normal" seems to know the words,) amanfromMartian is the modern way to confuse and annoy those reading IMs over your shoulder.
Who, or whatever you are, keep up the good work, AMFM. The Reg, indeed, IT new sites in general, just wouldn't be the same without you.