Comment by spmcl

I use Johnny.Decimal in my Obsidian vault, but its purpose is less about being able to find things in the future and more like "this is a simple well-trodden system so you may as well use it for some semblance of organization of your folder hierarchy." But I only label the folders. I don't label files with numerical values – folders are just dumping grounds for a certain type of notes. Like I have a folder for journal entries, unique notes, blog posts, book notes, recipes, and individual side-projects. A few tags (most auto-generated in templates) help me search past notes if I need to, but that's a very infrequent need.

My point is that switching just the folder hierarchy to Johnny.Decimal was very easy and I don't have to think about how I organize my work ever. Contrast that with some of the other PKM organization schemes you'll find (such as using Johnny.Decimal in its entirety), and you'll see that they both take a ton of time to set up and a ton of effort to maintain. Those are massive wastes of time. There are far more meaningful things you could be doing outside of marginal gains to productivity, if you can even call PKM optimization a "marginal gain."