It was in this climate that in the 1970s a lawyer-turned-wine-critic named Robert M. Parker Jr. decided to aid consumers by assigning wines a grade on a 100-point scale. Today, critics like Mr. Parker exert enormous influence. The medals won at the 29 major U.S. wine competitions medals are considered so influential that wineries spend well over $1 million each year in entry fees. According to a 2001 study of Bordeaux wines, a one-point bump in Robert Parker’s wine ratings averages equates to a 7% increase in price, and the price difference can be much greater at the high end.
Given the high price of wine and the enormous number of choices, a system in which industry experts comb through the forest of wines, judge them, and offer consumers the meaningful shortcut of medals and ratings makes sense.
Read more here: A Hint of Hype, a Taste of Illusion