Germany is a litigious country, with most of the things insured. If people started plugging a 2kW grid tied inverter in a normal power socket - as is the case

Germany is a litigious country, with most of the things insured. If people started plugging a 2kW grid tied inverter in a normal power socket - as is the case for balkonkraftwerk - houses would start catching on fire. Nobody wants that. Yes, regulations are necessary for a safe and civil life.