Of all Latin proverbs, the relativist adage De gustibus non disputandum est just may be the most subversive. The implication is that taste is wholly subjective, with no right or wrong anywhere in sight.
You like Bach, he likes Amy Winehouse, they like Eminem – who’s to say that one taste is better than another? Yet the very fact that this question can be posed throws the cultural door wide open to barbarism. And the now universal reply (‘Nobody’) welcomes barbarism with effusive cordiality.