I was just thinking about that too They should be a thing

What about private profiles?

Kind of, I built this a while ago https://github.com/hzrd149/passwd-nsite

Pretty sure I remember nostr:nprofile1qqszv6q4uryjzr06xfxxew34wwc5hmjfmfpqn229d72gfegsdn2q3fg729x4s sending me a private nsite almost a year ago.