Nope.
I wrote a book using Twitter: first as a series of tweets, then as blog entries, and finally an edited manuscript, published as a book. Got feedback from followers along the way.
Proof of Work
Discussion
Do it again on Nostr. Tel Nostr you'll start writing the next chapter when you get a certain number of zaps on the chapter before. Feedback in zap messages welcome. I'll zap you along!