Yet. The jewish people had no problem that the government had detailed lists including the religion. It helped the Nazis killing many jews. Total surveillance will always be abused like every other invasive law.
First it’s against child abuse and terrorist, then organized crime, then crimes like theft, then littering and jaywalking, then swearing in public
Or was it the Genocidal Intent?
The first mass killings, on the Eastern Front, made no use of such sophistication and had no need of it.
It's always Politics.... Terrible ones in the case of WW2 Germany.
You‘ll never know when the next group with bad intent get access to surveillance data.
Every crime organization would be glad to have the opportunity to find witnesses in witness protection. Was a lot harder back then.
In places where the germans had access to identity information survival rates among jews was much lower. The Danish government refused to provide data about Jewish citizens to the occupying germans, and simply didn't comply in general with anti Jewish efforts. 99% of Danish jews survived the war.
In the Netherlands, where there was initially a policy of compliance, the occupying germans got their hands on the lists of jews and only 25% of Dutch jews survived.