I do agree with your sentiment, but Facebook does a lot more than just that. They put a lot of effort into tracking sites you browse, their phone app slurps up

I do agree with your sentiment, but Facebook does a lot more than just that. They put a lot of effort into tracking sites you browse, their phone app slurps up any possible data to improve your profile, starting with location info, and going all the way to uploading photos from your camera gallery to Facebook, to be analyzed for face recognition.