I can't follow your logic with regard to the asymmetry between holders and non-holders. If I have $1000 cash at home, and I take out a $100 bill and then pay you for some goods, you don't know about the other $900 I have. Same with something like gold. You can't see the flow of all dollars or gold. What you do have is an understanding that the asset in question has value and scarcity. So it is with Monero. Even if you don't have any Monero, you can download the software and verify that there are X coins in circulation. So what do you mean by asymmetry?