Sure, but that proves Facebook was aware of its influence as early as that and had enough time to consider the implications. If you find that politicians are us

Sure, but that proves Facebook was aware of its influence as early as that and had enough time to consider the implications. If you find that politicians are using your product to sway public opinions, it's your moral responsibility to think about what that means and how it can be abused. You can't just shrug your shoulders ten years later and pretend you're surprised.