^ I did not say Robert Habeck was arrested
Re the other cases: in a good democracy, insulting politicians should not be a crime and there should be no investigations for someone insulting a politician.
I mean that's why it's called free speech. Probably the most famous case the ACLU (American Civil Liberties Union) fought for was to make sure Nazi's could hold a rally and march through Skokie, Illinois, USA an area famous for being predominantly Jewish.