It's about the extreme violent racism of the Fascism in Israel.

At least in Europe, none of the variants of Fascism other than Nazisim ever engaged in the kind of widespread massacre of civilians from another etnic group whilst talking about them as untermenschen that you see being done in Israel (which before all this was already deeply racist about Palestinians and Arabs in general, but now went full-on Genocidal).

Whilst Netanyahu and his government haven't gotten quite to the level of the original Nazis yet, they use similar propaganda techniques, display extreme racism towards Palestinians (calling them "human animals", saying that "Palestinians are violent" - not Hamas, Palestinians - frequently claiming to want to expel or eliminate them and even suggesting nuking Gaza) and have already exceeded all other variants of Fascism in their violence in general and certainly in violence very specifically against civilians of another etnic group.