alt Hacker NewsAh yes, scanned using a proprietary app on a thousand-dollar phone from the bright screen of a thousand-or-more-dollar computer: the only use-case imaginable, no reason any person would ever be using anything else...
If it doesn't work on a 150$ Android phone using all of the 10 top results for "qr scanner" in the Play Store when scanned from a dirty TN panel or faded inkjet print in bad lighting: you are failing your users, turn off your graphic designer brain and think about usability.
But are you? Depends who your users are, so... misplaced point, as for mass appeal there's alternatives. Celebrate for what it is, not judge by irrelevant standards.