I showed my son Obsidian and a little explanation of how markdown works. Explaining the draw (to me at least) is that I can format text without taking my hands of the keyboard. A few hours later he tells me he discovered that there are shortcut buttons a the top of the screen to do bold, italics, underscore, etc and "you just need to click on them so it's a shortcut!"

I do like markdown editors that do the live preview of the rendered text instead of the side-by-side view of Markdown on one and HTML on the other. Obsidian sort of just changes to rendered text as you type.