I agree. It's often the case that marketing blurbs have some truth to them.
Do records need to be clean? Yes.
Well, here's my homemade holy water with a drop of albino crocodile's tear for a mere 12,999$
Do you sometimes need cables to be shielded from some interference? Sometimes, yes.
And these could be yours for 25k $. They're shielded with Ashanti Yoga.
Is speaker decoupling beneficial? Almost always.
Well, go get a loan, cause boy do I have a decoupler for you!! It will decouple you from so much money, you'll suck the blood of everyone who even hints at the possibility they don't do jack more than 20-30$ feet.