The European Court of Human Rights ruled against freedom of speech by endorsing censorship of opinions and even views about history. Evidently it doesn't fully support human rights. Respecting freedom of speech means respecting the right to state views we oppose.

Antisemitism is prejudice against a group of people which (in the usual interpretation) includes me. I disapprove of it, but I respect people's right to state that opinion or any other.

When a state mandates a specific position on a factual question, that makes it impossible to discuss that question frankly in that country.