It's incorrect to assume that the existence of signature validation would kill this use-case. Similar to how the existence of HTTPS does not kill the ability t

It's incorrect to assume that the existence of signature validation would kill this use-case. Similar to how the existence of HTTPS does not kill the ability to transmit data over HTTP and visit sites with no certificate or a non-trusted certificate. It could be as simple as a pop-up saying, "this QR code is not validated, continue anyway"?