Is there any way this could be modified for indie musicians to move away from bigTech? FOSS Spotify alternative with bitcoin ?

Why do you feel like you would be less clean? Like peas touching carrots on a plate? You have 1 body.

IMO the different sized towels are all towels and are sized for convenience. If you only wash your hands you don’t want to have to use a blanket to dry them. When you wash your body you don’t want to use a box of tissue sized towels to dry off. It isn’t about contaminating part of your body.