Do no harm to a signal! Does this mean.....

First of all it is NOT plug and play. You plug, in let it settle for a day or so and then listen. You can't swap a cable set and expect to hear what they are going to sound like for a while. How long is a while? If the cable are seasoned, 24 hours. If they are new,, forget about it. 50-500 hours..

Will the cables sound the same if you put your old ones back in? Sure they will if you just unplugged and laid them back.. 2 hours they will quit sounding "OFF".  If you coiled them, didn't cover the ends, 24 hours.

Swapping cable after cable in a listening session just doesn't work. Will you hear a difference? YES! Will it be how the cable sounds once it settles in?  NO!

Regards

If you replace the word enter connect with the word wine that’s what I would think they were talking about. It’s getting a little weird.

Cable manufacturing is wierd science, and not unlike this thread.

paying $2k for cables is nutty as can be.  

IME oldhvymec is 100% correct. It would be more convenient if this were not the case however.