You've chosen your wedding venue, your caterer, and even your band. Now it's time to decide on your cake, and you start doing research and discover that you have tons of sweet options that don't look like a traditional wedding cake.
Why the rush to justify and defend those who demand that their anti-gay prejudice be accommodated? If you think there's a difference, then what you're saying is that homophobic bigotry is somehow nobler or more acceptable than racism and anti-Semitism. And that's appalling.