The answer is really to stop offering wedding cakes as a service. They are only by special arrangement.
In every case where a service provider has been entrapped in a lawsuit it's because the service was offered to the general public. There has not been a single instance of a service provider forced to perform any service not available to everyone.
In every case where a service provider has been entrapped in a lawsuit it's because the service was offered to the general public. There has not been a single instance of a service provider forced to perform any service not available to everyone.