The slogan isn’t illegal but it might not be something they are happy with. It has morphed into bullying of Christians. This is their business, their livelihood. The gay couple could have bought an iced cake and icing letters and put whatever message they liked on the cake for themselves. I believe this bakery no longer puts any messages on cakes. Beamish if you know he’s a Jewish baker, you wouldn’t ask him for a bacon sandwich. Or he would probably be working with a non-Jewish colleague who would be able to accommodate the Boston Red Sox GarBage shirt. I don’t think so. A customer is a customer and if you don’t like it, that’s too bad. The customer is always right, and if you’ve served them before with no problems, you give them what they want, and if you aren’t able to, you must explain the reason why. Unless they’ve done something to compromise your business, you can’t refuse to serve someone just cos.