Most people are, because they don’t realize that when all transactions must be done without privacy and only at the pleasure of the state, the free society that you have come to take for granted will cease to exist.
I did a talk about this very topic at the CCC some years ago:
https://media.ccc.de/v/cccamp11-4591-financing_the_revolutio...
That’s certainly a possibility. But no, I don’t think a lack of cash will cause society as I know it to cease to exist.