> should just be a browser setting that has to be abided by It should be a browser setting that is enforced by the browser. If I open something in private mod

> should just be a browser setting that has to be abided by It should be a browser setting that is enforced by the browser. If I open something in private mode, or use the multi-account containers extension (Firefox), cookies are isolated or forgotten without any involvement from the remote party. The site doesn't need to know or care.