And for many, it does. It may not for you, but everyone has their own system.
It's WYSIWYG, so even if you don't know markdown, you can just use standard shortcuts like Ctrl-B to bold something, Ctrl-I to italicize, etc.
But it's only as valuable as the notes that it contains. If you are a fastidious note taker (for your projects, work, etc), like to ontologically tag things, and appreciate building inter-related knowledge (like wikipedia links), then you'd be hard pressed to find a better substitute even compared to other heavy hitters like Joplin and Logseq.
I will asked ChatGPT to output responses in a note form in markdown so I can copy/paste it in.
You can wrap code with: ‘’’elixir Code here ‘’’ To get syntax highlighting
Todo lists are as simple as -[ ] to do item
You can use iCloud/dropbox to sync.