Then you have those who believe... "if it costs more it must be better."
It's an easy market. After all, an expensive system deserves to get the best cables and you can't justify using 'basic cables' on such a brilliant system you engineered.
“A smart man wouldn’t cheap out” is classic upsell psychology. It subtly suggests that if you don’t spend more, you must not be smart — which has nothing to do with whether the cable actually improves the sound.