To attract the other 99.99999% of the world your going to need content for the brain dead. Encrypted peer to peer messaging is going to go in one ear and out the other. Criminals are normally the first to adopt new technologies take the car for example, bank robbers had get away cars while police were still using horse and buggy. Canceled celbs would be a step up. Imagine if crazy ass Ye dropped is next album on nostr.