Because the PS2 didn't have an "App Store," the software had to be run directly from a physical DVD.
The old app cannot connect to modern Netflix servers or handle current encryption standards. How to watch Netflix on PlayStation now Netflix Ps2 Iso
The Rise and Fall of Netflix's DVD Era: A Look Back at PS2 ISOs Debunking the Myth: Why "Netflix PS2 ISO" Doesn't
Summary: "Netflix PS2 ISO" usually refers to a disc image (ISO) claimed to let PlayStation 2 (PS2) consoles run a Netflix app or stream Netflix content. No official Netflix app was ever released for the PS2. Files or downloads labeled “Netflix PS2 ISO” are unofficial, potentially illicit, and carry technical, legal, and security risks. No official Netflix app was ever released for the PS2