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I currently get very little value from nostr and primarily use it with the express aim of making it slightly more rewarding for those making good content. I want it to succeed and undermine the Big Tech platforms, so I try to add some engagement for people who make thoughtful posts, but those are fairly rare.
I've talked to a few people about the idea of making comments costly on nostr, as a way to cut down on spam and other low value content. I really think that's one of the keys to why SN works so well. I'd love to see one of the nostr clients try a model where each user can set a price to comment on their posts. However, that only cleans up replies, which would still leave a lot of feeds full of low value content.