I do not think there are any benefits to physical copy (diminishing returns)
I am not sure if you guys get it but eventually we out grow devices or they turn into bricks because everything fails.
For example my FF1/2 cartridge use to load on my NES but it would save anymore...then eventually the nes just stop working but it did work for over a decade. So now:
If I want to play final fantasy 1 or 2 I go play it on my pc on emulator or psp or phone...
There is always a work around...I do not fear Digital Only