melbguy1 - The usual reason audiophiles dismiss more expensive cables in a-b comparisons is because to be blunt, their systems aren’t capable of clearly revealing the differences.
IMO, the quoted statement is to generic in that there are different types of cables. Interconnects being one, speaker wire another. In the case of speaker wire, I have reason to believe honest (to themselves) audiophiles dismiss more expensive cables in a-b comparisons because, to be blunt, there is no audible difference that can reliably be detected, and therefore money that would otherwise have been spent can be saved.