yes, but that doesn't necessarily mean we won't have access to cdn. we can create installers for retail discs, so don't worry.
There are patches and DLC and download exclusives that cannot be found on retail disk images.
So take advantage of it still being there and use it. Then instead of copying them to a Wii U when downloaded just copy them to a storage drive and keep them forever.
That works for now, but what about in 5, 10 years time when the eshop is gone? Ideally I'd like to preserve access to this content forever.
but, this is going off topic, can I use the files I've downloaded or are the just duds?