Perhaps they could have sent a gift voucher to the wedding couple for every negative review, including a message that you wanted a "vintage" inn and we provided

Perhaps they could have sent a gift voucher to the wedding couple for every negative review, including a message that you wanted a "vintage" inn and we provided the best service we could, but your guests weren't happy. It could probably guilt the wedding couple to request the guests to take the reviews down. And, perhaps led to a positive story on HN instead.