I said that people who already know don't think about it. That's not something you can solve by educating them more. When I'm sharing a photo, I am going to think about what I can see in the photo as a data risk, not the invisible stuff that I might intellectually have heard about. It's just not going to come to mind.

People who know about phishing get got by phishing attacks, too. How well has however many years of "cyber awareness training" gone?