> So what should have firefox do then? Plenty of addons don’t work and they don’t have metadata on which do and which don’t. I don’t see how whitelisting is problematic

Here's how niche indie software handles this: https://i.imgur.com/6m809SB.png (excuse the sarcasm)

I don't care anymore though. I've switched browsers since, Mozilla is beyond help. Still, in that moment i was very glad to have root to override their bullshit.