Yeah, I think his OP was confusing, as writing the article and publishing it to relays are two different steps.
I write with a VS Code plugin and publish it with my Sybil CLI, or I wrote it in Obsidian and publish with the Nostr plug-in. I don't use any Nostr app for any of that.
#Alexandria doesn't do 30023s, yet. Have to add a Markdown renderer, for that.