[velcrovan]

HTML and CSS were also chaotic at one point and it sucked ass.

Loosy goosy is fine for a hobby project but if you do anything with vanilla Markdown beyond simple links, headings and text, you quickly find yourself in a frustrating zone of incompatible hacks and syntax extensions.

[SOLAR_FIELDS]

I maintain knowledge bases in Obsidian compatible repositories and one thing that's been great is having a hand rolled validation schema that validates against the AST output produced by remark. I call it a "markdown body grammar". So I can at least prevent people from doing edge casey things at build time when they produce documents