Earlier quoted context omitted.
"I wonder... Does the original website from which the photo was taken had: 1. A statement that the photo was not public domain? 2. A way to contact the author with the clear purpose of license it?" It doesn't work that way. Just like you don't need to put a sign on your door saying "The belongings in this house belong to me. If you want to buy them call me on 5555-1234". The _default_ is that if you dont own a photog…
In theory there is no difference betweem theory and practice, but in practice there is. I agree that in default should works the way you say, but that is theory, in practice it is not what actually happens a the OP found out. And we need to acknowledge the reality that people does not behave as theory, law, or whatever other abstract term expects (the law is so abstract that it needs a punishment machinery to be resp…
Take Candice as an example. She's crazier than a bucket of ferrets on meth. Even normal users don't read much of the text on websites; look at any of Jakob Nielsen's eye-tracking studies. People who are task-focused (e.g., find an image for their site they're rushing to get up) read even less. Given that, how much do you think Candice will read?
And once it's on another site, people will start stealing it from there too. Coughpinterestcough.
So as someone who also tries to look at how things work, I don't think he did anything wrong here. Suddenly everybody's a publisher, and it's going to take a while to teach them about copyright. This is part of the education process.