Sure a QR code is cool, but it's pointless for getting laptops onto a network and for the most part isn't that the main usecase for needing to get onto someone's 3rd party wifi (eg at an office, airBnB, etc?).
My phone has existing connectivity most of the time and it's rare that I need to connect it to wifi. Or that wifi would be preferable over my own 5G (or LTE) data connection.
Not hating, this is neat, but it seems low value. Certainly printing _only_ a QR code feels sub-optmial as it doesn't cover the laptop usecase.