It’s not really good at anything in particular.
Data permanence? no. Data impermanence? no. Identity management? no. Data propagation? Maybe, if you’re on the same relays as the person you’re trying to reach…
It also wants to be a general purpose protocol but a lot of the NIPs that are getting merged are specifically for the purposes of making a better Twitter replacement protocol. And they won’t be able to compete with At Protocol or Farcaster in that arena because those are not general purpose. Those are only designed to be twitter replacements.