Well that's the whole point, right? This is clearly written for fun, it's not production code, it's not supposed to pass a code review. It's just supposed to be cool and interesting, and a challenge for the author.
Exactly! Building cute but ultimately useless[0] programs is a lot of fun and makes for great brainteasers. It's also a great way to interact in a friendly but still technical way with your programmer peers. I recommend it to everyone!
Well that's the whole point, right? This is clearly written for fun, it's not production code, it's not supposed to pass a code review. It's just supposed to be cool and interesting, and a challenge for the author.