Earlier quoted context omitted.
This line of reasoning seems to forget that the ultimate control belongs to the customer. Thus we see Facebook taking a big hit for collecting personal information people assumed was private.
The trouble being that customer is 1) an aggregate (there likely is no the customer, just some customers, maybe a lot of them), 2) fuzzy (Facebook's real customers are advertisers, they pay the bills). How do non-ad-buying users matter as customers to Facebook? Only so far as they are aggregate eyeballs to feed to the real customers, advertisers? The sad specter of case law dating at least as far back to Dodge v Ford…
> How do non-ad-buying users matter as customers to Facebook
They are literally all Facebook has, eyeballs.