NIP-05 is handy only to share one's profile, it is a shorter proxy to the npub, imho.

If you are not publicly connected with a well known domain it does not help with impersonation because it is not an authentication mechanism. In fact I can create a clone of your profile and a aeontropy@ NIP-05 with whatever service is around. Which is the real Aeontropy? Web of trust determinates it.

So NIP-05 has its uses, but its absence should not stop you from following more people :)