Why, hello there! This is probably due to the fact that some folks didn’t stop on the page for the minuscule amount of time we require to count as a read. We calculate based on how people scroll and how they pause on the page before moving on. So, in your case, there might be people who bounce immediately since your post is so short you can see the entirety of it in the response preview, therefore not counting as a read.
Also: it’s true. I do not have balls. Guilty as charged.