Article 1 of the consitution of Germany: Human dignity is inviolable. It is the duty of all state authority to respect and protect it.

Article 5 of the constitution: Everyone shall have the right freely to express and disseminate his opinions in speech, writing and pictures and to inform himself without hindrance from generally accessible sources. Freedom of the press and freedom of reporting by radio and film are guaranteed. Censorship does not take place.

These two articles are the relevant bases for the laws talked about the video.