text: "Edible pieces of art" enjoy no "protected class" status.
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  That means that, while the "artist/baker" cannot refuse to serve gays, neo-Nazis, blacks, members of the KKK, Muslims, Jews, whites, and Christians.....the "artist/baker" has the right to decline to use his artistic talents to decorate an "edible piece of art" in a way that goes against his religious, moral, ethical, and "whatever" beliefs he may have.
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  Because no "art" has "protection class" status, any and every artist/baker can refuse to decorate a cake in the following way:
  (1) a man being lynched
  (2) Nazi symbols
  (3) "May Jesus Christ, the Son of God, Bless This Marriage."
  (4) with unicorns, fairies, and little bunnies.
  (5) in a way that depicts a same-sex marriage.
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  #3 might surprise some people. But why would I even want to make a Jewish or Muslim baker "uncomfortable" decorating a cake in that manner? There are plenty of bakers who will gladly put that on a cake for the sheer joy of making money to please me.