The Bible doesn’t say thou shalt not serve Republicans, either, but I didn’t hear Democrats objecting when a restaurant owner threw Sarah Huckabee Saunders and her CHILDREN out.A person cannot just arbitrarily invent religious beliefs that say they have to discriminate. The bible does not say thou shalt not serve faggots. This is the result of the unholy marriage of evangelicals and politics. Suddenly the current political attitudes of the far right become religious belief even if it's contrary to what the bible says.
And that’s another example of the OP’s “protection hierarchy.” The Dems race in to INSIST a private business bake a cake for a gay wedding, but sure didn’t race in screaming when a private business didn’t serve a Republican.