Installing an extension for an occasional use-case like this is not quicker than what I did.
I do of course have extensions installed (including the canonical ad-blocker that you use too). I've been on the web since the 90s and was a full-time frontend developer for a decade until quite recently, so I'm hardly the ignoramus you're making me out to be. From the same facts I just come to different conclusions to you. It happens.
If Firefox offers an off-switch for the features you don't want (it does) then where is the "forcing down throats"? If this amazing project doesn't survive because it refused to move with the world around it, then you won't even have that off-switch and you'll regret being so obstinate.
PS I see the downvotes, maybe it wasn't you but I consider downvoting toxic so that's all I have to say here. You've made your point and I did understand it.