Why would I care about how I pay for things though? You're the one saying I should value some particular method over others. But the reality is I don't care at all: I'm trying to buy milk and go home.
Because there are significant privacy benefits and benefits in removing the middlemen etc.
If you don’t care, you don’t care. I gave up a long time ago too. In that case it would be annoying enough if the privacy preserving card were just 1cm longer or something that you wouldn’t use it.
Nothing "child-like" in trying to make your life better, even in small ways.