why, when something works well, some people have an urge to change it? shouldn't it be the other way around? why not go through Germany state policies and cop

why, when something works well, some people have an urge to change it? shouldn't it be the other way around? why not go through Germany state policies and copy working ideas over to other countries? telling germans what to do sounds like a joke, people should learn from them, not teach them how to do things.