https://www.bleepingcomputer.com/news/google/google-chrome-gets-default-to-guest-mode-for-stateless-browsing/

Google announced today that a new 'Default to Guest mode' feature is now available for Windows, Linux, and macOS power users of the Chrome web browser.

The new Google Chrome feature can be enabled using a command-line switch or an enterprise policy, and it allows users to configure the web browser to always launch into Guest Mode.