I thought of taking a picture.
Sign on door,
As a American, you have the right to not wear a mask. As a private business, we have the right to refuse you service.
But.............Those private businesses are also being told there are certain groups of folks they must serve no matter what.
bingo! I was told by a black kid last fall in a local branch of a liquor chain, that they did not care about my medical disability exception to masks. "Wearing a mask is company policy" I asked him if he would be ok with a company policy that banned blacks like him. He looked stunned, said that my remark was 'unfair'. I left him to ponder reality, and made my purchase without a mask. I have since found another store to shop in that is more accommodating.