> My understanding is that this new reCAPTCHA is basically just remote attestation.

Yes, somehow "parse this QR code" would not have made my top 500,000 list of 'tasks that a human can do more effectively than a computer'.

I'm sure some people still remember how to mentally decode QR codes and verify ECDSA signatures from Covid days. Public transit ticket inspectors in my city also seem to be quite proficient at it :)