I find this fascinating and hard to comprehend in equal measure.
Consciousness infused throughout, or embedded within?, the universe beggars my belief and how my understanding of it works (limited admittedly).
Are they onto something or is this a case of 'we can't explain this any other way, so we're putting a big red X here to represent panpsychism' because there is no viable alternative?
I'd recommend checking out the other IAI essays, some of which I've posted here - really gives you the sense that nobody's got a handle on the "Why" of anything, or arguably even the "How".
It's like we're in a Matrix, utterly unable to talk about the computer architecture because it lies outside our sensory abilities.
"You've become lost in a game disguised as Everything - try to Remember"
-Grant Morrison, Invisibles