They actually did a smart thing. Whatsapp is a private messenger, and random person from outside cannot see the photo while social networks are the opposite: th

They actually did a smart thing. Whatsapp is a private messenger, and random person from outside cannot see the photo while social networks are the opposite: they try to make everything you post available to maximum number of people. People might think their photo will be visible only to their friends and might be not aware that it now can be scraped by anyone.