I'm sure the Stasi also used fingerprints, yet no-one is asking German police to give those up. Perhaps the goals, rather than methods, are what should be under greater scrutiny - going after dissidents is not a thing of the past, they're just not called such:
Germany’s existing Network Enforcement Act (aka the NetzDG law) came into force in the country in 2017, putting an obligation on social network platforms to remote hate speech within set deadlines as tight as 24 hours for easy cases — with fines of up to €50M should they fail to comply. - https://techcrunch.com/2020/06/19/germany-tightens-online-ha...
Germany's domestic intelligence agency hopes to place the entire Alternative for Germany party under surveillance. - https://www.spiegel.de/international/germany/monitoring-the-...