Problem is that’s human readable. Unless you are the nerdiest of nerds, you’re not reading QR code or even most plain old barcodes.
Related, a few years ago, I could read 3of9 barcode font by sight because I spent like 4 years programming Honeywell scanners for POS systems and created an inventory system to track 60,000 iOS devices where I added a serial number and inventory number barcode for each device.
Problem is that’s human readable. Unless you are the nerdiest of nerds, you’re not reading QR code or even most plain old barcodes.
Related, a few years ago, I could read 3of9 barcode font by sight because I spent like 4 years programming Honeywell scanners for POS systems and created an inventory system to track 60,000 iOS devices where I added a serial number and inventory number barcode for each device.