That science has not yet provided us the means (tests or measurements) to explain why many of us hear the things we do, with the choices we make, in fuses, cables, etc: doesn't mean we don't.
MEANWHILE: those of us that do experiment with our equipment and rooms, or, "smear goop" on our cables, to improve such a basic scientific fact as conductivity, will go on enjoying the enhanced musical reproduction we've sought.
MEANWHILE: those of us that do experiment with our equipment and rooms, or, "smear goop" on our cables, to improve such a basic scientific fact as conductivity, will go on enjoying the enhanced musical reproduction we've sought.