There are court documents detailing the case available online, and zloirock himself admits it in GitHub comments after being pointed at it (although his tone is somewhat passive-aggressive):

> and where did I write that it was not in the zone of action of the pedestrian crossing sign?

> https://github.com/zloirock/core-js/issues/1179#issuecomment...

There is also no reliable information whether the accident happened inside a city or on a highway, but multiple witnesses are mentioned, and I doubt that there are many people on highways at 3 AM.