Scenario 1 - A husband and wife asks the baker to make and decorate a cake with a pro-gay wedding message for the wedding of their son and his husband-to-be. The baker declines the order.
Scenario 2 - A gay couple go into the shop arm-in-arm and ask the baker to sell them a standard off-the-shelf cake. The baker serves them without reservation.
How can any reasonable person accuse the baker of homophobia?