At least the addons part has been mostly resolved - although not all addons are supported, Firefox mobile now has significantly more official addons than before:
https://blog.mozilla.org/addons/2024/05/02/1000-firefox-for-android-extensions-now-available/
I genuinely believe the NSA et al is targeting those who attempt to avoid all targeting more than the average person. It’s difficult to avoid being tracked, it’s nearly impossible to additionally blend in with an unsuspicious façade. Might as well become a secret agent if you’re capable of avoiding the NSA’s gaze.