Org2 vs Markdown
Markdown is great for lightweight prose. Org2 is better when your notes are also a planning system, a knowledge graph, and publishable docs.
Where Org2 beats Markdown
1) Planning is native
Org2 has first-class TODO states, scheduling, deadlines, and agenda workflows. In Markdown, this is usually plugin conventions or checklists with weak semantics.
2) Rich structure without hacks
Property drawers
Planning lines
ID links and wiki links
Repeaters/timestamps
Structured lists/tables/blocks
Markdown can emulate some of this, but usually through extensions that do not round-trip cleanly.
3) Better long-term knowledge workflows
Org2 supports roam-style workflows directly:
stable IDs
backlinks
node creation/linking
In Markdown setups, this tends to be app-specific and less portable.
4) CLI-first automation
Org2 is designed to be scripted from day one:
agenda queries
TODO/planning edits
formatter
publish pipeline
Markdown toolchains are powerful too, but task/agenda semantics are usually bolted on.
Where Markdown still wins
Ubiquity for simple README/docs prose
Lower syntax surface for basic writing
Huge ecosystem for static docs/blog engines