You’re quoting from a hypothetical discussion scenario, not an actual recommendation. They do indeed recommend Firefox (as a third choice, after Tor and Mullva

You’re quoting from a hypothetical discussion scenario, not an actual recommendation. They do indeed recommend Firefox (as a third choice, after Tor and Mullvad Browsers), and the recommendation page doesn’t go into reasoning, sadly, but it does discuss some pitfalls of the default config and how to fix them: https://www.privacyguides.org/en/desktop-browsers/#firefox https://www.privacyguides.org/en/desktop-browsers/#firefox