pull down to refresh

No, it wasn't this the main goal. The main goal was some kind exactly opposite to this, so people will be free to post something online without being linked to a verifiable identity or censored.
I personally don't give a shit about my npub, I can create a new one in seconds.
You see, people try to make nostr a copy of twatter, but they are wrong. Nostr is something else than twatter.
On twatter you must build reputation with your verified identity. On nostr you build a reputation with what you say, independently of a npub. But nostr is more than just posting memes and notes online. Way more bigger than that. And NWC and nostr market is just the beginning.