Companies don't general form to create value for individuals with the expectation they get nothing out of that work. Certainly not to the point for it to be considered playing with fire for a business to stop doing something that isn't profitable.

Facebook is not your friend and you are not Facebook's friend.

No business operates in a vacuum - there are countless examples where firms have to continue to provide services to unprofitable customers in some locations for public policy reasons - banking and telecoms probably throw up hundreds of examples.

Facebook may not be regulated as a utility now but they are giving lots of reasons why more regulation would be justified.