The point of using multiple relays is censorship resistance. For censorship resistance to be a thing, the same post need to be on multiple relays and any two people who want to follow each other need to use multiple relays. > These would let relay owners moderate their own relays more completely. Why would you want any moderation whatsoever at the relay level? > be a paid relay That'd lead to even less adoption. People don't generally pay to be on social media. Not even very very little. Mainstream platforms handle this by having a business model where the non-paying users are what paying users are actually paying for. > And an app would just help people sign up and pick topics/communities they like, and then they would immediate have a main feed of strangers posting about things they actually are interested in. But what's of this that can't be achieved with either Nostr Communities or hashtags? > The communities could assist choose to be secret and not report to any people running a directory/app. To me this seems to be the only usecase of this. Why are big relays a problem?