How did any of us make him feel stupid? You're way out of line and off base here.
It's not as if we said, "Hey, stupid! You shouldn't show everyone your address! Terrorists are going to come kill you now!"
I've brought this point to the attention of other members, who simply hadn't thought about it before posting the pics, and they were grateful to have it brought to their attention.
You should probably exercise a bit more tact and care before making a generalization about an "American sickness".