The single largest benefits of Firefox to me is that it's privacy friendly and open source. If the first thing you have to do when installing this "privacy frie

The single largest benefits of Firefox to me is that it's privacy friendly and open source. If the first thing you have to do when installing this "privacy friendly" software is to disable a bunch of privacy invading features, what's the reason to not just use a fork instead? And if you're going to use a fork, why not just use open-source Chromium instead? What arguments are left to the benefit of Firefox, fighting web standard hegemony by picking one privacy-hostile option over the other?