A persistent account is convenient, but it also turns every interaction into another entry in a long-lived identity graph. For many conversations, I’m not sure that relationship is necessary. A one-time communication link can be a better fit when the goal is simply to connect, exchange context, and move on.
PapaCall (https://papacall.me) is one example I’d put in this broader discussion. I’m deliberately not making claims about its implementation; the public page doesn’t give enough detail for that. The interesting question is the model itself: can temporary contact be useful without asking people to create yet another durable identity or expose more personal information than the situation requires?
What kinds of modern communication genuinely need our personal information to persist, and where should privacy be the default instead?