Group 1 - The defendant, Li, exploited his position in an e-commerce department to collude with others and fabricate transactions, resulting in fraudulent platform subsidies totaling over 1.5 million RMB [1][2] - Li was sentenced to three years and six months in prison and fined 100,000 RMB for embezzlement, with the judgment becoming effective after no appeal was filed [1] - The case highlights vulnerabilities in e-commerce platform subsidy rules, where internal employees can manipulate transaction processes to gain substantial financial benefits [2] Group 2 - The crime involved a complex scheme of collusion between Li and a third-party company to create fake transactions, taking advantage of the platform's subsidy calculation rules [2] - The internal controls were ineffective, as the risk management department's alerts regarding the fraudulent activities were ignored by the business department [2] - The rapid exploitation of platform rules allowed Li to quickly gain significant amounts of money through fraudulent means, indicating a need for stronger oversight in e-commerce operations [2]