My only issue is with the Ruger 10-22 (although it’s not the world’s worst option), simply because I prefer my little Taurus pump.
Also, given the terrain his hideout is in the middle of, that “deer rifle” had better be able to reach out really far and touch something, because it’s kinda lacking in cover. I’m thinking a Dakota Model 10 in 6.5x55mm Swede or .300 Win Mag:
But those little quibbles aside, his principal thesis is perfectly sound. Especially the last item: