All it succeeded was in consolidating the ad-tech space into a few big players and resulted in acquisitions of many small ad-tech firms.
An acquaintance of mine started a medical Tech firm and is now a consultant for dealing with govt. rules on medical stuff. Not sure why he quit , but I believe that consulting for dealing with German/EU bureaucracy maybe far more lucrative than having a medical startup in the EU.
Not to mention, despite the first world status, internet is Germany is Dog-shit. I mean worse than 3rd world crap. I was in Bangalore and I had way better internet 3 years ago.