Earlier quoted context omitted.
That’s exactly what Apple is planning to implement, and what Facebook opposes. When given a choice, 70% of people opt-out. This is terrifying to Facebook.
I think there should be an opt-IN model. Opting out can be made confusing and difficult and time-consuming. I've gone to websites that list over 300 3rd parties that they share data with. Opting out means going to every one of those 3rd parties one at a time and hunting for their opt-out link. And those come with a warning: If you clear your cookies, you'll have to do this again. And the opt-out only applies on this…
Whether there is an actual default or just a pair of options, I don’t know.