疫情期间连口罩都造不出来，为什么还有人相信美国制造业"随时能爆发"？

Core Viewpoint - The article argues that the belief in a sudden resurgence of American manufacturing is misguided, highlighting the significant decline in manufacturing's contribution to GDP and the challenges faced in revitalizing the sector [1][3][7]. Group 1: Manufacturing Decline - The share of manufacturing in the U.S. GDP has decreased from 16% in the 1990s to 11% in 2022, indicating a substantial decline in the sector [3]. - The notion that the U.S. has voluntarily abandoned low-value industries is challenged, with the argument that high costs have forced businesses to retreat from manufacturing [3][5]. Group 2: Challenges in Revitalization - The U.S. has invested heavily in initiatives like the CHIPS and Science Act ($280 billion) and the Inflation Reduction Act ($370 billion) to address the lack of manufacturing capabilities [3]. - The article emphasizes that the U.S. struggled to produce basic items like masks during the pandemic, showcasing the weakened industrial base [5][7]. Group 3: Global Manufacturing Landscape - China produced 1.019 billion tons of crude steel in 2023, accounting for 54% of global output, while the U.S. produced only 81 million tons, less than one-tenth of China's output [3]. - The article points out that the U.S. defense sector is heavily reliant on foreign manufacturing for critical components, illustrating the consequences of deindustrialization [5][7]. Group 4: Misconceptions about High-End Manufacturing - While the U.S. excels in high-end manufacturing and technology sectors, these advantages depend on a robust manufacturing base, which is currently lacking [7]. - The article critiques the mindset that dismisses low-end manufacturing as unimportant, arguing that modern industry relies on a comprehensive ecosystem of production [7].