This is a completely ridiculous post.

To compare spyware Chrome with Firefox is also a sign that there's something lacking in this thinking processes...

It seems very obvious to me that this cannot happen unless you specifically choose to update Firefox. Perhaps you have issues with your operating system and don't understand what you're doing?

Windows users usually complain about having a ton of services running in the background, so I'd vote that you've opted to allow Firefox to run as a service, so even if you close the browser it's still running there - and probably set to update automatically too.

After updating, then you have to restart it, and there aren't 'all the logins and 2FA' unless you chose to do that. After I restart Firefox, my session is returned to me - without 'all the logins and 2FA' because I didn't set stupid protection to make it forget everything and log out of everything when it gets restarted.

When I update the system, I do it when I'm not busy working - and that means I choose when to update Firefox.

So it cannot interrupt me without MY permission. Then again, I wouldn't enable any unattended or automatic updates, my updates are checked when I say they should be, they can be automatically downloaded in the background, but NOTHING gets executed unless I allow it.

I suggest you learn to get a grip and learn to use your computer - or sit back and play patsy and allow the software giants completely control your life while you sit back whinging.