Gravity doesn’t care if you believe in it or not. You’re not going to float free into space.
You can jump up and down and claim it’s a conspiracy to limit your personal freedom of movement, but in the end, gravity just doesn’t care.
And the same can be said about our own sport. High-end audio produces results that are demonstrably better than any mid-fi stereo system whether you believe that or not.
It really doesn’t matter what the Best Buy salesperson tells you about the latest high-technology receiver or the know-it-all self-proclaimed expert that swears it’s true that cables do not matter.
The truth just doesn’t care.