Welcome To Hashnode!
the lack of existence of any other node not tied to web development
Did you take a look at the Nodes page? There are also nodes, which are not tied to web development, like
And many more. At the moment, General Programming has ties to web development out of the practical reason that there is no dedicated "Web Development" node; however it still is for all the general stuff, not only web development. All in all, Hashnode is an open community for all kinds of developers and technologies.
I personally did a lot in C++ and at the moment I am learning Rust (and Vulkan; using them on my game project). So feel free I welcome you to post questions, links and articles in those and other nodes!