The note (similiar to the Message in a Bottle, or so ive read) is not written by just any regular person in the wilderness, but is actually written by--
-- Vivec himself.
The poetic nature of the note, the lamentation of his eternal life of boredom and sorrow, pain and loss, it all fits perfectly with Vivec, not only with what he says to you during points in the game, but also from various books scattered through the game as well.
So, i want to hear what you guys think about this..