When I had this issue, clearing all the domain's cookies resolved my issue but I think a private browser session would do the same, so I don't think it's a very helpful suggestion in your case, unfortunately.
According to your tale, this old boss has some serious connections if inquiries 50 years later are still being directed to him and he called your dad back instead of a law enforcement official that should have been the one returning the call. 50 years later, they can still squash any attempts to turn up the soil.
I know what I'd do, anonymously send a package to the law enforcement agency and then nothing more. There's absolutely no way I'd risk the safety of my family for a man that knew he was burying bodies and took compensation for it. It was his burden to make it right and it's another indecent thing he's doing to place this burden on you for what I am guessing he thinks is for the benefit of his mortal soul. He apparently doesn't want to risk his son's life with this task so he's reaching out to you, someone that's a bit more disposable.
You didn't kill anyone and you didn't help hide the bodies. Don't be the single person in this whole fucked up thing to get punished for it.
I'm not asking this facetiously but truly curious; Have you ever witnessed a single Firefox feature designed to harm your web experience? I don't mean telemetry, etc but blocking ad blockers, forcing you to view ads, etc. I've been using Firefox for over 20 years, since it was named Phoenix and can't think of a single example similar to the vein of your OP.
This is a pretty good hyperbolic rant. Nothing positive, all negative and an unsubstantiated "I can't prove it but I think they're doing this because..." which always gets the blood pumping and fingers flying. I give you an 8 out of 10. I could have given you a solid 10 on this effort if you had blamed the libs or a cabal for the nefarious deeds occurring in your about:config.
They didn't hide the release of the bug feature, they posted it on the Moz website for future patch notes.
The "for now" about the config setting actually made me chuckle. It's an option that you can optionally choose to disable. They're not testing their evil deeds on you by letting you turn it off.
Google is making their move because of their ad dollars at stake, Firefox will only benefit in terms of market share when that happens because they'll have another bump in user count in the form of a mini-exodus from Chrome, just like they did when Chrome announced stopping ad blockers from running in their browser. Almost all income from Moz comes from partnerships with the search providers listed in the browser search options. 0 dollars comes from advertising, so there is absolutely no reason for them to keep you from blocking advertisements on pages that only helps their competitor.
It's very clear to anyone that's paid attention that Moz is trying to protect a user that's downloaded a malicious addon(or one that's been hijacked) from siphoning data like login/pass on your banking site when, for example, the addon is supposed to only change the youtube site from displaying shorts in your feed. Prior to this bug feature, an addon that could see all data on a webpage could see all data on any webpage, whether it needed it on that page or not which is comically bad practice. They've finally implemented a method of restricting addons that don't need to see your most sensitive browsing from doing something nefarious like selling that data, using it against you or robbing you blind with it.
Here's the best part of it all though. Simply use a forked version of the browser if you feel you're using one now that an evil entity is trying to enslave you with by forcing you to see their competitor's advertisements(logic!). There's many "hardened" versions of Firefox, like librewolf, which strips Mozilla phone-home stuff like telemetry, sync, etc., The code is open source meaning you can build your own from the sourcecode, which will allow you to pore over every line, looking for hidden treasures that are trying to ruin your browsing experience. Or at least make an uninformed guess that is what it's doing.
People fork what's what they're using and what's popular. Chromium has the vast majority of the market share so it's most likely to get modified and reused.
People crossposting to the comical number of same-but-mines-different-communities can shit up a feed pretty quick. I'd suggest cutting down on a few of your tech groups and see how it works for you then.
A lot of the people using the "fediverse" are here because of the things that most social media shovels at it's users. I don't think I would use that as an example of why it should be available to us.
I completely agree with you but I think that the majority of Reddit users don't care and in 6 months time, this debacle will be completely forgotten by them and revenue will have completely recovered. I don't think I'm being cynical about it, I'm just going by past cases(FB, Twitter, etc.). The majority of users simply don't care.
I don't think it's necessarily newsworthy as they've stated they would do that since the beginning of the uprising. They would be silly to sit on their thumbs while losing communities with millions of subs to protest. Open it, recruit a few people that could care less about 3rd party access and keep raking in that dough.
When I had this issue, clearing all the domain's cookies resolved my issue but I think a private browser session would do the same, so I don't think it's a very helpful suggestion in your case, unfortunately.