For someone who hasn't spent any time thinking about that matter, could you please elaborate your point?
Imagine using ssh-keygen, but it locks the private key in a vendor-managed secure enclave. You can't copy it, export it, rename it or do anything wth it.
"Passkeys are incompatible with open-source software" https://www.smokingonabike.com/2025/01/04/passkey-marketing-...