This is the opinion of our highest court. It falls under our law of discrimination and hate speech.
The plight of the Dutch Jews under the holocaust is part of their culture, their political and social identity and their position in the Dutch society is directly connected to the holocaust. To claim that the Jews are liars, profiteers, etc. is compromising the human rights of the Jewish people.
In the Dutch criminal law discrimination is seen as:
Under Dutch law, discrimination or discriminatory is seen as all kinds of making difference between, refusal, limitation or preference, that has the intention of or could lead to issues with recognition, the pleasure or practicing on the basis of equality of human rights and the fundamental freedoms regarding the areas of politics, economic, social or culture of other areas of social existence are negated/nullified or compromised.