That isn't really what we perceive (at least if educated). We see that Free Speech is not an absolute right, but is secondary to the most important right which for Germans is Human Dignity. It might be foreign to you because your constitution and history doesn't put the same value on it than our history taught us.

How could German history have taught you anything about human dignity?

You went from a military dictatorship to an unstable republic to a fascist state, then you split into military occupation zones, and then one of your military occupation zones annexed the other, the militaries left but you kept the laws, and now you arrest people for saying "from the river to the sea".

Using your German-ness to talk to anyone else about freedom or human dignity is patently ridiculous. If you have an ideological point to make, make it, but the whole "as a German" angle just does not hold water. "As a German" your history shows you don't understand this.

Your concept of Freedom of Speech is much closer to the Mainland Chinese model than an Anglo one.