Core Viewpoint - Recent actions by major cloud storage platforms indicate a renewed focus on content regulation and compliance with legal requirements, leading to the removal of user files deemed inappropriate or illegal [1][3][42] Group 1: Legal and Regulatory Compliance - Platforms are compelled to delete files due to strict legal regulations, as exemplified by the case of Qvod, which faced severe penalties for failing to manage content responsibly [8][9] - The legal obligation to monitor and remove illegal content is not optional but a requirement to avoid significant fines and potential criminal charges against responsible parties [9][16] Group 2: Copyright and Content Ownership - The pressure from copyright holders has intensified, with companies employing legal teams to monitor and enforce copyright claims against platforms hosting pirated content [11][15] - Historical cases, such as the shutdown of Megaupload, highlight the severe consequences platforms face when failing to address copyright infringement [12][15] Group 3: Technological Measures for Content Regulation - Platforms utilize a multi-layered filtering system to identify and remove illegal content, starting with hash value comparisons to detect known infringing files [21][23] - Advanced AI technology is employed to analyze content directly, identifying violations based on visual and audio elements, although it is not infallible [29][31] Group 4: Business Model Evolution - The shift from user acquisition to profitability has led platforms to tighten content regulations, viewing users who store pirated content as high-cost liabilities rather than potential customers [38][40] - By enforcing stricter content policies, platforms aim to reduce legal risks and operational costs while attracting higher-quality users willing to pay for services [40][42] Group 5: User Experience and Perception - Users often feel a loss of control over their digital assets when files are removed without notice, leading to frustration and confusion regarding data ownership [42][44] - The dichotomy between user expectations of privacy and the platforms' regulatory responsibilities creates a complex relationship where users must relinquish some control over their data [44]