Not just "some", but whopping 23% of this test participants.

I tried to do something like that in my free time. ARMs are everywhere, PICs are very common as well: https://github.com/ninakali/chip_scavenger/tree/main/src

Even if not, the collieries in Wales, built on top of coal shafts, were quite industrial-looking/landscape-runining. https://museum.wales/articles/1260/Nantgarw-Colliery---once-...

There was a HN thread about this, of course. https://news.ycombinator.com/item?id=40647278

And it seems to be David C Norris, a software engineer from Microsoft: https://www.linkedin.com/in/davidcnorris/details/experience/

Here are more details about Bogus Software: https://minesweepergame.com/history/bogus-software.php