No.
Ask anyone who is making that claim, to quantify the claim. It is best to step back to avoid the flailing hand waving at this point. "Trust your ears" never means "Trust your ears". It usually means, use your ears, but trust your eyes. Almost as a rule, anyone who makes the statement, "Trust your ears", never trusts their own ears. That is why they never blind test.
Virtually every claim made by a cable manufacturer about what their cable does is easily proven with current measurement technology. Ask yourself why they never do.
Ask anyone who is making that claim, to quantify the claim. It is best to step back to avoid the flailing hand waving at this point. "Trust your ears" never means "Trust your ears". It usually means, use your ears, but trust your eyes. Almost as a rule, anyone who makes the statement, "Trust your ears", never trusts their own ears. That is why they never blind test.
Virtually every claim made by a cable manufacturer about what their cable does is easily proven with current measurement technology. Ask yourself why they never do.