Until you want to enforce access control or moderation, then you're in rube goldberg land
Discussion
For reliable access control and moderation, you need your own relay.
I love those incentives.
How do you manage that relay? 👉 With a key pair.
How do create multiple groups on that same relay, without having the NIP-29 mess? 👉 With key pairs.
How can you try out groups/communities without having to run a relay? 👉 With a key pair.