The largest organ in your body is your skin and it happens to cover your ears all the way down to the eardrums. I can see how reverting to using your organs as originally intended can be a very positive attribute with better results than how you've been listening fully clothed.
It's way too easy and tempting to pooh-pooh such a thought without thinking it through. It's the nature of our times. Think of how much better you feel walking barefoot on some cool patch of grass, stopping to scrunch your toes into it. Same thing. Nothing new age or hippy-dippy about it.
All the best,
Nonoise