I'm not saying it's not marginal, but if you spend time around audiophiles, they make lots of claims that aren't just "marginal" but simply not based in reality

I'm not saying it's not marginal, but if you spend time around audiophiles, they make lots of claims that aren't just "marginal" but simply not based in reality. I would not spend $2000 on a keyboard, but I believe people who do are doing it largely based on aesthetics, not the kind of imaginary science that audiophiles do.