@nprofile1q... it doesn’t seem like that would actually matter, though.
“introducing the materials into the circuit is just like adding a resistor in series, and they’re unlikely to distort the audio too much”
It’s worth noting, I haven’t seen any of the audiophile dudes that I’m reading/watching talk about them either. When they discuss cables it’s all about the connectors on the end, whether the cable untangles easily, and whether the cable straightens out when unfurled.