Why is representatively fair the gold standard? What if in 10 or 20 years we view one of the other methods of optimizing as a more "fair" way (i.e. what if our

Why is representatively fair the gold standard? What if in 10 or 20 years we view one of the other methods of optimizing as a more "fair" way (i.e. what if our current consensus on what is best is not absolute truth, but a social and cultural bubble)? Then all our algorithms will be sub-optimal (at that time). Just as different cultures value these differently, it makes sense that one culture that changes over time might as well.