I wish it were that easy. But you get constantly flagged, questioned and banned from things if you don't play the traditional banking rules.
I am trying, that's why I know
You do not get banned from things for paying cash.
You cannot pay cash for MANY things I consider a requirement these days. Ex internet, health care, mobile access, ...
None of these in my country support crypto either. Well for mobile maybe.
Primarily, that would be cash.
pieces of paper is certainly better than bank database entries, but it's still fundamentally the same game: you need to work for something that they can print.