I actually owned a couple of these to reprogram cards at university. One of them came with a piece of paper that had a link to an app that made it possible to b

I actually owned a couple of these to reprogram cards at university. One of them came with a piece of paper that had a link to an app that made it possible to bulk collect cards when read! It was just a random piece of paper in the box, with absolutely no instructions and it was just some random URL to an exe. How is that not a card skimmer?