False. Nostr is not “Layer 3” in any standard technical sense. Nostr is an open, decentralized protocol for exchanging and publishing messages/events. It doesn't sit on top of Bitcoin or Lightning in the way Lightning sits on Bitcoin. You absolutely can build/use Nostr without Lightning. Stop with this (anti-crypto)-bro fear mongering (yes anti-crypto in brackets as 1 thing). It's not helping FOSS, it's doing big-tech's work.
You're just lying because you hate crypto. That is as bad as the blind evangelizing of cryptocurrencies.