I was always very confused when I saw DVDs with "includes digital copy" (or similar) on the cover. Like... yes? I know. That's how DVDs work. It's what the fir

I was always very confused when I saw DVDs with "includes digital copy" (or similar) on the cover. Like... yes? I know. That's how DVDs work. It's what the first "D" stands for. The DVD version is a digital version. Who came up with that phrasing? And why did whoever hired them get someone who apparently doesn't understand how DVDs work to do it?