Linux

There's a manual, a discourse (forum) and a Matrix. And an unofficial subreddit and a Lemmy community. As well as two wikis and a large number of random people writing blog posts and tutorials.

This might be a hot take but honestly I think the documentation quality isn't the problem. You can point to specific topics that aren't well documented but that isn't unusual. What's unusual is how NixOS is designed and how working around its quirks requires close to distro maintainer levels of knowledge.

Most distros don't require several pages of documentation on how to install a Python application. NixOS on the other hand...