Earlier quoted context omitted.
Sounds great if it's not as unbelievably user-hostile as the self checkout machines. Those things are just total crap, every one I've ever tried.
Once I got the hang of it, I've had almost zero problems with self-checkout machines It's usually one of two things: a purchase that must be approved (either alcohol or some medicine) or scanning the single item barcode of a multi-item
I have given up on bagging as I check out. It goes crazy every time I open a bag and set it in the bagging area. So now I just pile up my groceries and bag them when I'm done, which wastes everyone's time.