Given the current state of the Chrome family of browsers and the anti adblocker stance from Google, i'd think that alone would guarantee Firefox a steady user base.
Not sure how users cope with Chrome-based browsers and intrusive ads.
> If I'm awaken at 2am from being on-call for more than once per quarter, then something is seriously wrong and I will either fix it or quit.
Sometimes fixing the problem will require special access to Production which you don't have, or even a specific role with that extra bit of initiative.
CSAM hides behind an acronym and seems benign at first, but taking away the citizens right to private chats is anything but that.