I think it's a humor disconnect. The author is expounding on something extremely minor and mundane with a large amount of hyperbole and detail, which his reader

I think it's a humor disconnect. The author is expounding on something extremely minor and mundane with a large amount of hyperbole and detail, which his readers may not have thought of with that detail before. Some people might find it funny, others will not. I fall in the former group; I enjoyed it.