Reverse it: If you've already purchased a softcopy, why does a hardcopy cost anything?
Because the hardcopy has intrinsic value? So your position is essentially that a softcopy has no intrinsic value, which is very arguable.
Because the hardcopy has intrinsic value? So your position is essentially that a softcopy has no intrinsic value, which is very arguable.
There is some intrinsic value to the softcopy, but mostly convenience and being freed to sell your hardcopy.