Brett Scott published a really good piece on the cost of "cashlessness".
"Money is political, and that’s the starting point of the economics of cash."
https://www.asomo.co/p/the-cost-of-cashlessness
It's especially important since the only *other* time I hear people defending cash is when they fear a take-over from a shady, world-wide organization. And it's not that they want freedom, but they want another shady, world-wide organization to *not* lose its foothold.