I'm not really invested in this but the specific claim made here doesn't seem to be factually inaccurate? I have no doubt Nazis take it out of context and make it sound like every single Jew in New Jersey was out in the streets dancing up a storm after 9/11, but this specific occurrence did happen, so...
https://www.heraldscotland.com/news/12768362.five-israelis-were-seen-filming-as-jet-liners-ploughed-into-the-twin-towers-on-september-11-2001/
I'm not really invested in this but the specific claim made here doesn't seem to be factually inaccurate? I have no doubt Nazis take it out of context and make it sound like every single Jew in New Jersey was out in the streets dancing up a storm after 9/11, but this specific occurrence did happen, so...