(Warning - "Politics")
Since nobody is required to truthfully state his occupation at his MD, privacy laws would have to be changed for everyone, and that is not going to happen in germany.
How is it that Germany can have these "special laws", even if they are in conflict with the rules in the rest of the EU? As I understand it, UK is obliged under the EU agreement to implement all of the laws passed by EU, without any conditions.
(not trying to be "political" here, but this is one of the "bugs" of EU membership that the anti-EU campaign is regularly throwing up)