I do shoot with both because I'm not foolish enough to think good work can't be forced from poor tools, but I know the difference between a camera that works with me, and a phone that mostly won't. This author appears not really to understand that difference clearly, identifying accurately some flaws and differences resulting from real constraints, and inventing others from accidents of poor test procedure such as obvious changes in pose between serially taken shots.
It's a confusing way to advertise his "Candid9" service to photographers; as one of those it leaves me hoping he's better as a programmer, and as a programmer it leaves me wondering why I should trust someone with such a questionable grasp of my problem domain has produced software that will successfully serve my needs.
I mean, when I do street work, I just get a phone number or email address and that works fine. What do I need with a QR code that requires a printer to produce? Good grief, I'm the only one I know who still runs on paper, I own three printers, and I haven't found a credible way to like QR codes! What does all this extra complication add for anyone involved, except some Michigander who wants a piece of what I'm doing for no good reason I can see?