Earlier quoted context omitted.
The European free speech legal infrastructure dates from the ECHR in 1950, and was somewhat imposed by the Allies after the war. As well as a lot of people who wanted to avoid having populist incitement to genocide again.
The limits on free speech in European countries are also much older in parts. The history in Europe on that topic is just very different from the US, I'd say.
"The EU" is not equivalent to "France and Germany", despite what they think.