Occupy Democrats thinks it’s a zinger to pose a hypothetical that fast food restaurants wouldn’t serve fat people. Like McDonalds would just sacrifice the majority of their business on such a principle.
#TheLeftCantMeme

Also, SCOTUS didn’t rule businesses can discriminate against groups. They ruled the state can’t compel speech. For example, you can’t force a store with a rainbow flag on the window to bake a “there are only two genders” cake, or a Jewish IT guy to design a neo-Nazi website.