How the heck do you know? But it doesn't have to be Jews. Many people dislike Nazis and would normally have nothing to do with them. But under this new law, whoever ran the bakery would have to bake the Nazi cake whether they detested the Nazis or not. Pandora's box.
And being in business means that you may have to do business with people you dislike and even have nothing in common with.
I think you misunderstand what the Arizona law actually would have done “But under this new law, whoever ran the bakery would have to bake the Nazi cake whether they detested the Nazis or not. Pandora’s box.” That is not at all what the law would have done