No, they are not bigots because a bigot would have been unreasonable and they were not unreasonable since the couple had other bakeries that they could choose to go to. The owners are exhibiting their right to choose. Sometimes our belief based decisions are more important than business based decisions. On the other hand those who are disputing, picketing etc are bigots in the true sense of the word because theirs is an unrealistic and unreasonable expectation that their beliefs must be accommodated by everyone without regard for personal belief.