I've been downvoted here many times for voicing this same opinion for a long time. Consider switching to Orion (a fork of Safari WebKit, Mac only, still beta though) - https://browser.kagi.com/ - or PaleMoon (a hard fork of Firefox) - http://www.palemoon.org/, as they are the only browsers that respect your zero-telemetry wish, when you toggle the right settings. Tor Browser (stripped of Tor) - https://www.torproject.org/download/ - is also a very good privacy-hardened Firefox soft fork (though it is yet to fix a bug that still phones Mozilla) but using it generates a lot of Captchas from CloudFlare, and to a lesser extent Google, both seem to hate this browser with a vengeance. Vivaldi browser (a Chromium fork with better privacy options) is another a good option but a distant second because it insists on phoning home every time you use the browser, and Vivaldi has publicly said they will not turn that off as turning off those analytics impairs their monetizing options. (A good application firewall can block those though, and Vivaldi is a decent company).
