It’s similar as with custodial #Bitcoin wallets like nostr:npub1hcwcj72tlyk7thtyc8nq763vwrq5p2avnyeyrrlwxrzuvdl7j3usj4h9rq . You could argue that’s not using #Bitcoin and that would not be totally false claim, but,at the same time, you can do monetary transactions with such users with your non-custodial proper wallet, so, at the end of the day, it is net positive for Bitcoin.