In Argentina, the problem isn't people sitting around a table drinking wine and eating ñoquis and steak, it's all about the junk food, cheap sweets, and sugary drinks that are just eaten and eaten by some, at the same time that the more informed and well-off classes are going the exact opposite direction, and eating more vegetables than ever. It's a situation where maybe 30 years ago, everyone ate the same thing but, with shifts in poverty and education, the people with the most means have moved one direction (vegetables, a more diverse palate, the most interesting version of Argentine cuisine, including traditionally raised beef and the rest) and those with fewer means are consuming more of the sort of things that more advantaged people avoid - including candies, soda, etc. I've seen it. And it's not a great Argentina-only phenomenon, it exists in Brasil and Mexico as well.