I do not think that this is a widely held view. Regarding the US constitution for example, Part of Bernstein v. United States was the complaint that DJB was not

I do not think that this is a widely held view. Regarding the US constitution for example, Part of Bernstein v. United States was the complaint that DJB was not able to legally talk to or teach about cryptography to cryptographers and students that are not US citizens. As for the "freedom of speech" as a general concept, I think that it is more of an individualist than a collectivist principle. It does not refer to countries or groups by itself, it is the right for entities to speak freely.