Here's a money quote:
“In the equation, astronomical and geophysical forces tend to zero because of their slow nature or rarity, as do internal dynamics, for now. All these forces still exert pressure, but currently on orders of magnitude less than human impact.”
(that's a statement from the paper itself)
Hmmm. Yeah. That comet/asteroid that wiped out the dinosaurs and radically changed the climate tended to zero.

fascinating.
And yet, even the IPCC's own reports have had to acknowledge that there has been a hiatus in the warming for at least the past 17 years. What happened there? Did human forces tend to zero?
What a bunch of agit-prop hooey.