Not sure this has a future in hifi as being thought of here. . By the time it's become mainstream I doubt hifi will exist as we know it. Probably have implants where music is streamed directly to the relevant brain areas. Forget cables, tubes, and other surpurflous audiophoolery. You're thinking to 21st century.
The Future of Hifi is just being Discovered
I found this to be very interesting to learn that electrons move like water. Also even more interesting to learn Cryo really is on the cutting edge and it's implications for the future are just being learned. Fascinating stuff