People had to raise hell to get that, while being made fun of by their CMs on social media. Even the opt-out is full of silicon valley dark patterns. Whoever is calling shots about the product at Mozilla doesn't have your best interests at heart.

What are those dark patterns? It's an off button, it works, and it does not get back on. It's the polar opposite of the "maybe later, I'll ask again every week and reset the setting in your back" unfortunate norm that plagues a lot of major proprietary software/service.