It forces the gestapo to go door to door (i.e., expend human resources). Many jews disappeared from western countries simply because the nazis used the civil re

It forces the gestapo to go door to door (i.e., expend human resources). Many jews disappeared from western countries simply because the nazis used the civil records first -- it detailed what everyone's religion was where they lived. Who needs to go door-to-door when you can use centralized records to pinpoint exactly where you need to be?