Ha! I'm just starting to grasp that - been going through chapter 8 of Art of Electronics, 3rd Ed. Getting a hard and fast education on noise. Shot noise is fascinating. I still don't have a great mental model to compare it to. The closes I've come is dripping water vs a continuous stream of water.
I also plan to dig out my highest-rated HN comments and turn them into blog posts or even an ebook some day.
I had this same notion the other day. It's neat how an internet post can inspire such clarity of thought.