Of course when people's applications are rejected, exactly 0 reason will be given other than that they failed the screening process. So nuances like this are, in practice, irrelevant. When the obvious motivation is to eliminate criticism of the Israel, all they're going be looking for is criticism of the Israel.
It's easy for one to criticize Israel in a way that one does not criticize other countries because there are no countries acting like Israel is at the moment: Genocide, apartheid, unprovoked war, etc, etc.
Plus it acts this way with the blessing of so-called liberal democracies so that we must confront the absolute hypocrisy by voicing our criticism.
That doesn't prevent people from labelling you as an antisemite unfortunately. I'm not on social media but if I was, I wouldn't make negative statements about Israel if I actually cared about entering or staying in the US.
> Contemporary examples of antisemitism in public life, the media, schools, the workplace, and in the religious sphere could, taking into account the overall context, include, but are not limited to
One stands out though
> Drawing comparisons of contemporary Israeli policy to that of the Nazis.
That seems to be a perfectly fine thing to do, comparing one government's policies with another. Maybe instead of saying "Nazis", maybe one can say "Government of Nazi Germany" and one wouldn't be labelled as an antisemite.