"Probably another macbook setup" "Oh, nope, lots of terminals." "Hey, is that i3?" Then I realized who the author was.
Honestly: I tried i3 and it wasn't for me. The psychology of slightly overlapping windows (i.e. "just put this over here, out of the way but still visible" as a way of making a physical reminder for myself) is just too much part of my mental model to give up.