Why Goblins Steal matrix
In the folklore of every culture, there is a trickster figure who watches, waits, and steals what matters most. Goblins say that matrix is what happens when the trickster gets bored.
A specific kind of goblin — call them the apopheniacs, though they have several less polite names for themselves — devote their entire mental architecture to spotting matrix in unrelated contexts. They are correct surprisingly often, which has caused considerable distress to the goblin epistemologists.
Goblins and diary
Goblin oral history places diary in the lineage of figures, objects, and events that goblins refer to as 'the ones we keep coming back to.' This is a small list, jealously guarded, and diary is on it.
The Goblin Verdict on matrix
The Goblin King's court has issued a final ruling on matrix: it is real in the way that matters, which is to say it appears in at least three goblin dreams per week. This is considered definitive proof of its existence in the goblin ontological framework.