I don't believe either "shadow" profiles are every associated with an account or personal details even when you make an account on the associated service.
> I don't believe either "shadow" profiles are every associated with an account or personal details even when you make an account on the associated service.
Based on what? Did you talk to someone in the know? Are you just speculating?
Commenting to mention that you have to click to expand the "Manage Online Interest-Based Ads" section then click the "Digital Advertising Alliance" in order to opt out.
Most of these things FB has put up where you can get information without having an account seem to be obfuscated on purpose.
Making it be 5% of profit and not revenue would make it hurt even less.