But from a social/human perspective: some semi-data-conscious people have been known to upload pictures with only the human readable print redacted, but with the barcode left intact.
Also oome people might tear the boarding pass into many pieces so that name, flight,... can't be associated. But the barcode is relatively small. It might still be readable in one piece.
Also oome people might tear the boarding pass into many pieces so that name, flight,... can't be associated. But the barcode is relatively small. It might still be readable in one piece.