One of other comments pointed out that there's another site, which to me seems to point towards a more straight forward explanation, but I'd like do address you

One of other comments pointed out that there's another site, which to me seems to point towards a more straight forward explanation, but I'd like do address your doubts here anyway. There are various interest group associations, which can work towards a surprisingly generic goals. One interesting example https://news.ycombinator.com/item?id=8416853 https://news.ycombinator.com/item?id=8416853 (with all the caveats mentioned in comments).