Why on earth is this comment here? It has nothing to do with the article or the thread, and it's not the first comment I've seen like this. (The other recent on

Why on earth is this comment here? It has nothing to do with the article or the thread, and it's not the first comment I've seen like this. (The other recent one was a random rant about Tesla self-driving.) Is this comment the product of a bot, maybe? Or is there an HN client application with a bug, appending comments to the wrong place? Just human error?