Then its targeting a comparatively small amount of people then. Households that make over 180k (which is below your figure of 2 6figure incomes) would be the top 20% of households. And that factors in the high cost of living areas as well, so what you describe is an even smaller amount of people.

Bandcamp is where you go to download/buy stuff for a band you already know and like. I rarely if ever have listened to music through the website itself, nor have I found new bands through it.