The relevant sentence from the link: I would very much like to reach the point where we are able to provide access to some digital surrogate of the game while keeping the original disc in storage in the same way that we provide access to digital surrogates of our film and video collection fiberoptically to terminals in the Moving Image reading room.

Even if they can't figure out a way to do that, the material should become freely available after copyright expires. It might take 120 years for that to happen, but better late than never.