I don't think the pastor would worry, it's just a book. The Bible is always just a book to Christians, it's not an object of itself worthy of veneration (I think). As opposed to Muslims who believe that the Qu'ran is actually an artificat in Heaven and should not be descrated as it's not - in their eyes, hearts and minds - "just a book". That's the difference. The pastor knows that, he isn't stupid, he's just a bigot.
Hmmm - that is interesting on a purely ethical level.
Did Jesus mean "You must treat others in the way YOU would like to be treated - whether that is the way THEY would like to be treated or not."
Did he mean: "Your obligation is to have as much regard for the feelings of others as you have for your own and treat them with the care and respect that you desire to be treated with."
The latter would imply that, if following christian doctrine, one has regard for the way one's words and behaviour impact on the other/s in question.
My take would be the second - therefore, though the bible may be flushable sans emotional impact for christians, they ought, if they are good christians, to consider the reactions of the other, not how they would react in the same circumstances.
To follow the first means, for example, that, if one were masochistic, one might consider it christian to inflict great pain on others, because that is what one would have them do unto one.