Sadly, they "learned" it from us. People have been doing this sort of shoddy fill work since the dawn of television (and even earlier if you count wildly misplaced / inaccurate textual descriptions).

Judging by the performance of AI agents at Geoguessr I suspect such errors are almost 100% humans:

https://www.astralcodexten.com/p/testing-ais-geoguessr-geniu...