Git history doesn't explain it unfortunately

https://github.com/soc/soc.me/blame/main/assets/js/turnBack....

Although, when we inspect author's profile on lobste.rs, we'll see that he's banned:

https://lobste.rs/~soc [Banned 4 years ago by pushcx: Troll.]

Maybe he's banned from HN as well. And this 'undesirables' is a method of taking some kind of revenge.