So now it seems you can deny service to people based on your private moral convictions!
Good for him. It is his money and probably a small, closely held business. This is a local color story, and de minimis non curat lex.
But if you are an old lady with qualms about arranging flowers for a gay wedding? Is that OK now?
Didn’t think so.
Remember this: political correctness isn’t about what people do or say to each other, but who does it to whom. It has nothing to do with right and wrong and everything to do with my side humiliating your side.