The nurse will not check, they dont pay for it.
She doesn't pay directly. But since she doesn't check, at least one counterfeit product may be seen as genuine if one will (re)use those QR codes.
I don't say we don't need this. What I say is that you may need to get more effort into it and make it better.
Edit:
Now we are working on an upgrade of the system.
We add data storage using IPFS and the Marker Geolocation System.
This is a good step forward!