The browser does not track users. What have you seen to suggest otherwise? Any data? It's fairly trivial to examine the network activity of a browser, as Leith

The browser does not track users. What have you seen to suggest otherwise? Any data? It's fairly trivial to examine the network activity of a browser, as Leith has done at https://www.scss.tcd.ie/Doug.Leith/pubs/browser_privacy.pdf https://www.scss.tcd.ie/Doug.Leith/pubs/browser_privacy.pdf, and determine to what degree (if at all) it is tracking a user.