[Someone1234]

> Cashiers will also say that even if they've never seen another card fail to read :P it's to make you feel better.

My mum is a cachier. It is a constant headache where she works. Some tills the staff avoid using until last because the reader sucks so bad.

But, to you, C&P is an infallible technology that doesn't comfort to our normal rules of physics, so I'm sure nothing will convince you.