That was my take too. Their overall point wasn’t bad but the start was a complete non sequitur that made me question if I wanted to finish because it’s a bad foundation for their actual argument. 
Maybe you see a plant you have to collect in game or a rock wall that looks different. What items have you caught out of the corner of your eye that you realized was just your brain so focused on looking for things in a game that you saw it IRL and made you double take?
Back when I was playing a bunch of Oblivion, I was doing the quest to find Nirnroot (Seeking Your Roots). I was spending so much time looking for them I started seeing them in real life out of the corner of my eye everywhere (it was usually actually thistle). I’d have to stop and look because I knew it was important, before my brain would kick in and I’d realize that it was from Oblivion.
Every time I’ve had to move into a new place, I catch myself humming at least one of the 3 Tetris songs without realizing it while packing boxes or a vehicle. Usually it’s Music-1 or Music-2.
The Talos Principle 2 | Demo on Steam Available Now (youtu.be)
All EFF’d Up | Yasha Levine (thebaffler.com)
I heard we’re posting vintage memes now? (i.imgur.com)
How often have games made you do a double take in real life? (i.imgur.com)
Maybe you see a plant you have to collect in game or a rock wall that looks different. What items have you caught out of the corner of your eye that you realized was just your brain so focused on looking for things in a game that you saw it IRL and made you double take?