Core Viewpoint - The article discusses various societal and philosophical questions, reflecting on historical and contemporary issues, while also promoting the podcast "Knock Knock World" as a platform for exploring these topics with a younger audience [4][10]. Group 1: War and Society - The article raises questions about the reasons behind wars and their impact on civilians, highlighting a shift in how wars are reported in modern media compared to the past [6]. - It emphasizes the need for deeper understanding of the consequences of war and the importance of discussing these issues in a more engaging manner [6]. Group 2: Urban Development and Infrastructure - The article contrasts the urban development of cities like Shanghai and Beijing, questioning the criteria for selecting a capital city and the advantages of each [7]. - It also addresses the issue of food waste in hotels and potential solutions, such as offering leftover food at reduced prices to minimize waste [7]. Group 3: Cultural and Historical Perspectives - The article reflects on the preservation of historical architecture in different regions, questioning why some areas maintain their traditional buildings while others do not [8]. - It discusses the significance of intellectual properties (IPs) like Hello Kitty, exploring their history and cultural impact [8]. Group 4: Health and Food Safety - The article raises concerns about food additives and their health implications, particularly in the context of food allergies and labeling practices in different countries [8]. - It highlights the differences in food safety awareness between Western countries and China, suggesting a need for better education on food allergies [8]. Group 5: Environmental Awareness - The article touches on the importance of protecting the environment and addressing climate change, hinting at future discussions on global warming and human impact on nature [9]. - It poses speculative questions about the future of biodiversity in the event of human extinction, encouraging curiosity about ecological resilience [9]. Group 6: Podcast Promotion - The article promotes the "Knock Knock World" podcast, which aims to engage young audiences in discussions about global events and diverse perspectives [10][12]. - It provides details about the podcast's release schedule and subscription pricing, encouraging listeners to explore its content [10][13].

Core Viewpoint - The recent surge in demand for McDonald's Happy Meal toys, specifically "Gikawa" and "Minecraft," has led to widespread criticism due to excessive purchasing and food wastage by adult consumers aiming to resell the toys [3][5][12]. Group 1: Sales and Demand - The Happy Meal set, priced at approximately 500 yen (about 23 RMB), includes options like chicken nuggets or burgers, and has been limited to four sets per person [6]. - The toys have become highly sought after, particularly among adults, resulting in rapid sellouts at multiple locations [6][18]. - The resale market for these toys has emerged, with listings on second-hand websites showing sets being sold for around 2,500 yen (approximately 115 RMB) [5]. Group 2: Consumer Behavior and Criticism - Social media has highlighted disturbing scenes of food wastage, with uneaten burgers and fries being discarded, leading to public outrage [8][9]. - Many consumers expressed their discontent, questioning the ethics of buying in bulk for resale and the lack of consideration for children who wanted the toys [9][10]. - The phenomenon has attracted not only local buyers but also international interest, particularly from China, where the toys are extremely popular [12]. Group 3: Company Response and Future Concerns - McDonald's Japan announced the early termination of the "Gikawa" and "Minecraft" Happy Meal promotion due to the overwhelming demand and subsequent sellouts [18]. - There are concerns among consumers regarding the potential for even more intense competition during future releases, indicating a need for the company to address the situation [18].