Group 1 - Gree Electric's chairman, Dong Mingzhu, sparked controversy by stating "never hire returnees, as there are spies among them," highlighting the employment issues of overseas returnees [1] - Supporters argue that Gree, as a technology-intensive company, requires a conservative approach to protect its core technologies, with over 100,000 patents filed in the last five years and 100% of core air conditioning technology developed in-house [1] - A recent incident where a returnee leaked new thermal management technology to a foreign company resulted in Gree losing over 200 million yuan in orders, reinforcing Dong's cautious strategy [1] Group 2 - The trend of returnees is changing, with many provinces in China starting to limit or reject overseas students for civil service positions, indicating a shift in the perception of overseas education [3][5] - In Guangdong, the list of eligible universities for civil service recruitment has notably excluded prestigious foreign institutions, reflecting a significant policy change [3] - Similar restrictions are observed in other provinces, suggesting that the once favorable status of returnees is diminishing, and the barriers for civil service positions are becoming higher [5] Group 3 - Gree has established its own talent cultivation system, including recruitment from universities and practical opportunities through 15 research institutes and over 1,000 laboratories [7] - The domestic job market is evolving, requiring not only high-quality talent but also individuals familiar with both domestic and international markets, which many returnees may lack [7] - The perception of overseas degrees is changing, with returnees facing increased scrutiny during job applications, as companies prioritize candidates who understand the local political and economic environment [7]