Correct, the real issue is - the most beneficial thing for users is to only share data as needed, but what scaled and was profitable was "leak everybody's data

Correct, the real issue is - the most beneficial thing for users is to only share data as needed, but what scaled and was profitable was "leak everybody's data everywhere all the time." Now, the cracks are showing in this approach, mostly because of the ones who do it poorly. Perhaps the ones to watch out for though, are the ones who do it well, e.g. Google Apps?