Oh, I have all the thoughts about this. I've been experimenting with this for well before Obsidian existed by using what is probably the best proto-Obsidian -- https://zim-wiki.org And my gut is, while they can be very useful and it can be rewarding to get a good workflow for yourself, we will not see some sort of revolutionary improvement across humanity strongly attributable to these things, and I think I have a so…
I remember zim wiki! I used to love it! I think as a desktop app (if you will), it does a really great job! In my case, i eventually started moving away from work flows that were desktop-driven-only, hence felt zimi wiki lacked mobile support...so stopped using it about 8 or so years ago. Then i started to realize that a bunch of basic text files synced across my devices in the simplest fashion, and using whatever fast, easy tool text editor on said platform (e.g. Markor on mobile, Kate text editor on laptop, etc.) seemed to be enough for me. While i may not use zim wiki, i still think is a good option for many, and especially if their work flow revolves around the desktop/laptop.