I would be, if it happened. https://www.washingtonpost.com/news/morning-mix/wp/2016/11/10/women-in-hijabs-on-2-campuses-say-they-were-attacked-by-men-invoking-donald-trump/
I am unaware of Jews ever feeling the need to fabricate stories of attacks.
However, nobody should ever stand by and let such things happen. To anyone. I am not terribly keen on Islam, but I absolutely would defend them or anyone else from such harassment.
