Group 1 - The article discusses the concept of the "middle class" and its ambiguous definition, which varies based on income, assets, education, and social status [6][8][9] - It highlights the increasing frequency of the term "middle class" in business news and its association with consumer behavior, particularly in the context of brands that cater to this demographic [6][9] - The article presents data showing a decline in the middle class's share of national income in various countries, such as the U.S. and France, indicating a long-term trend of "middle class shrinkage" [10][11][13] Group 2 - The article identifies the sources of anxiety for the middle class, including economic growth, job security, and the rising cost of living, which have led to a perception of instability [15][17] - It discusses the impact of globalization and technological advancements on job markets, resulting in a bifurcated labor market where "good jobs" are scarce [16][17] - The article emphasizes the need for diversified pathways to middle-class status, suggesting that vocational and technical education could help blue-collar workers ascend to middle-class positions [17][18] Group 3 - The article explores the internal factors contributing to middle-class anxiety, such as consumer behavior and the pursuit of a lifestyle that mimics wealthier classes [23][26] - It notes that many middle-class individuals engage in "status consumption," leading to financial strain and a distorted view of their economic standing [26][27] - The article concludes with a call for a "conscious reform" among the middle class to reassess spending habits and investment strategies, moving away from outdated notions of hard work leading to financial stability [28]