The government can also make the use of cash illegal. They can also put a huge dent into encrypted messaging by sending anyone caught using straight to the electric chair. They can drag you out of your home at night. (So can your neighbour for that matter).

The argument was never that crypto is some kind of magic shield against bullets. It's simply a tool. It raises the cost of certain kinds of abuses for the state. In the balance between the individual and the state, it shifts the power, ever so slightly, to the former.