Not all those devoted to their opinion are bigots. The salient aspect of being a bigot is being obstinate or intolerant. Either make you a bigot. Being a bigot does not require action. Bigotry is not writing a letter, making a speech, or erecting symbols.
Bigotry exists in the mind.
I argue that is not reasonably possible. To be considered rational in the observable physical world you have to play by the rules. One of the best descriptions I know of the application of these rules comes from a lecture given by Richard Feynman in 1964. In general we look for a new law by the following process. First we guess it.