Let's take a closer look at the poster in the background. I recognize it from a previous blog post where there was a similar protest at Ground Zero:
Here they are peacefully protesting a cartoon and threatening to exterminate all of Europe:
Buy EoZ's book, PROTOCOLS: EXPOSING MODERN ANTISEMITISM
If you want real peace, don't insist on a divided Jerusalem, @USAmbIsrael
The Apartheid charge, the Abraham Accords and the "right side of history"
With Palestinians, there is no need to exaggerate: they really support murdering random Jews
Great news for Yom HaShoah! There are no antisemites!