Joseph: Kushner is identified very publicly by his observant Jewishness, because Ivanka converted due to him (or more precisely, his mother). Which means he’ll be under a very strong microscope.
And “mit mishpacha esst men kugel” is not a Yiddish slogan for naught. Especially because of her conversion, things that can go wrong between Mr. Trump and Jared can have a snowballing effect on his family and their observance.