“It would be great if people had to buy more of the thing,” says guy who makes money selling the thing.
I tried copying game data when we were replacing our PS4 hard drive, but it just caused a lot of problems (with games having to “verify” the installation when launched, which was a very lengthy process, probably longer than just re-downloading it would have been; I don’t know what it was actually doing). We were able to preserve save data, though.