Society cannot be boostrapped on top of cryptodelusions, exactly because people will not accept it.
If your bank account gets drained through something "unfair" (hack, robbed, bug, etc...) society delegates power to courts to order your money back.
Society will drop "the blockchain" like day old garbage every time, because people Do. Not. Care, about it. They care that they live in a society of relative fairness, judged by their peers. Not by a bug in a program.
There is no link between the blockchain and reality in the shared delusion of society.
There is a link between the courts, and the government, and the treasury, and the shared delusion of society.
There have been armed uprisings against governments that don't live up to the promise. And to the extent people DON'T rise up against the government it's because the government has guns.
The blockchain has no guns. Society will just stop believing in it, when it's wrong. You can't just "stop believing in the government" (i.e. look at the success of "sovereign citizens").
The government of all levels doesn't go away when you're not looking at it. Nor the dollar (because of the government). The blockchain does.