Sure. So what exactly is the binding rule which Facebook should apply here? Rsearchers can get access to anyone's Facebook data if people enable it? What about

Sure. So what exactly is the binding rule which Facebook should apply here? Rsearchers can get access to anyone's Facebook data if people enable it? What about the ones in chinese universities? Or just respected universities? Which universities is that? How do we decide? You're missing the point. There needs to be a black and white line, and whatever Facebook allows they're always being demonised, nobody gives them the benefit of the doubt.