Cash is a little bit of freedom. A freedom that central bankers and central planners would like to snuff out with extreme prejudice.
The anonymity argument strikes me as more meaningful, and not because I’m an international drug dealer or collector of rhino horns or anything like that. The right to do what you want without being tracked and followed or subject to someone else’s accounting—that’s a pretty good right and it’s one worth preserving or at least thinking through fully before getting rid of it. Privacy isn’t about hiding bad stuff. It’s about, well, privacy. And in many cases, as Reynolds notes, freedom flourishes in private settings and does less well in forced public settings.