* records last > 500 years with no electricity . corruption is obvious at first glance. ( bad records don't appear to be good).
* counting is easily distributed by number of workers
* readily visually inspected with no special tools . ideal for auditing
* records stay in order at rest.
* easy to detect & protect against tampering
* easy to train new users . CRUD tooling costs pennies per operator
* cheaper to scale writes & reads
TCO and risk-assessment for paper records exceeds digital on nearly every measure.