Honestly Im not getting what makes this different than ZBD

nostr:nevent1qqsqwsev3yjctdz9erky4kcuaf4fjcppfr9r4wpm7k0fk6ndc0jpx6cprpmhxue69uhhyetvv9ujumn0wd68ytnrdakjuct4qgs04xzt6ldm9qhs0ctw0t58kf4z57umjzmjg6jywu0seadwtqqc75srqsqqqqqp3w6w2e 

 I think that's the point. For those who want nsec custody, having a password with a trusted third party is the alternative. Bonus points if the nsec is encrypted with the password so the platform cannot use it, if that's even possible.