I had a chance to work for the Estonian government for a brief while (headed up business development for e-Residency). While a few things may be overblown about their e-gov initiatives (I'm thinking some of the blockchain hype that foreign journalists didn't really fact check) they really have done an incredible job making their business environment accessible for foreigners. There really is a strong mentality of del…
Germany and Estonia have two completely opposing views when it comes to personal information, and the Estonian way is the way to success. OTOH, the issue with USA is the conflict of interest between the public and private sector. Turbotax is a prime example.
What today is Germany used to be about 100 separate nations until 1871, and a still somewhat loose federation until 1918. I think the mentality from that time is still pervasive today in many areas, particularly in bureaucracy.
Add to that that Germany is large enough to make the other EU countries play by its rules most of the time. That removes incentive to overcome nonsensical idiosyncrasies. Estonia is under a lot more pressure here because they cannot win by weight alone.