Biggest fear is that a 47 might follow lead of a right-wing populist elsewhere (and/or a right-wing populist elsewhere might be inspired by 47 in Oval), who's done the math to realize that rather than tamp down antisemitism with jingoist Islamaphobia, the tides of global public opinion have turned sufficiently to make it politically advantageous to instead unleash that antisemitism full force.
At which point, we go from weapons sales to Israel to weapons deployed against Israel.