My point?
Simply that in 30+years of reading about the audible pro and cons of certain audio components and cables there has not been any consistent, testable data that shows any advantage for one type over another.
Yes, as I pointed out, there are microscopic non linearities in capacitors and some are a tiny bit better than others but I maintain that no one could point to pre amp A and say "That uses capacitor X. Pre amp B uses capacitor Y" with better than even odds.
Russ Andrews and his ilk are just ripping people off.
Dave.