I find it very hard to believe that the ambiguity isn't deliberate. I imagine at least 90% of people, upon seeing an option to enable privacy protection, would

I find it very hard to believe that the ambiguity isn't deliberate. I imagine at least 90% of people, upon seeing an option to enable privacy protection, would enable it. But by making the option confusing, you'll end up with people that want it on and inadvertently turn it off. It certainly wouldn't be Facebook's only dark pattern.