I would imagine there's something wrong with it if Target isn't just buying it
Though it could just be cost given that Target could just pay for a plastic injection mold overseas and then pay peanuts yearly to make a 60k batch for their yearly renewal they mention, compared to $20*60k each time
This little micro-arms-race to develop and patent a plastic wedge that doesn't need to exist in the first place is ridiculous. The irony is that there is something of a perverse incentive not to solve the actual problem now that such a big industry has emerged to to combat it. If they wanted to build secure card payment terminals they would build them.