Earlier quoted context omitted.
The internet has always had more noise than signal. HN used to have an incredibly good noise reduction mechanism, mostly thanks to self-policing in the community and the occasional intervention of the moderators. Thanks to this mechanism, most of the time, the top comments were really interesting ones. The noise usually ended towards the bottom of the page. I'm pretty sure that the expectation that this would happen…
There once was a model railway enthusiast. He loved trains and knew just about everything about them. He had a wonderful collection of model trains. One day he met someone with the same love of model railways. Together they built complex simulations and had their trains running together. They wrote software that could schedule the trains, etc, etc. A few more people noticed and while most people said, "Wow. These guy…
I guess one way to handle this is to subdivide the field so there is a hierarchical structure and you can zoom into subfields to capture the the heterogeneous interests of a large body people?