I haven't heard an accuracy vs precision joke for years, that's brilliant :D

I wrote a blog article about creating a second brain some time ago. It's meant mostly for programmers, but the concepts hold true for other people as well :) https://blog.sewera.dev/second-brain

You can also try VSCodium with Foam, I think both are FOSS. You can read a bit about this setup on my blog: https://blog.sewera.dev/second-brain