Fifty Shades of Rosé

From the south of France to California, Rosé has earned its place at the pinnacle of the world of wine. In 7 years, sales revenue has increased by 50%, while global wine consumption actually fell. At the top of the line, long denigrated as a second-rate wine, mediocre at best, unhealthy at worst, quality has risen to meet global demand. What secret recipe lies behind these pink bottles' success?