Group chat was a huge hit in Nostr at one time. People wanted to connect with their kind, and they used group chats a lot. Anigma was a early telegram like Nostr client, and it was used a lot. Nostr Console also supported groups, as seen here: https://x.com/lunaticoin/status/1607286820433440771
Group chats have a moderation problem, that the whole design of Rostra wanted to avoid - if anyone can join and anyone can post, what is stoppping someone from posting trash? In Rostra there is no need for moderation, because you just donāt see anything from accounts you donāt follow.
We could have a āgroup chatā, where one would just not see messages from unknown people, which might have confusing UX, as some messages would display for some users.
Thatās why I was thinking about Reddit-like format first, as I think that works somewhat better when each user has their own subjective view of all the posts/comments.