D'ya think? What on earth ever made them think the notariety from this horrific situation would be a good thing?
I ran for local public office last year, and had the experience of being recognized in public and had people pointing and talking about me when I entered a restaurant, and I learned that FAME SUCKS! I treasure my quiet little life where no one knows my name, but maybe that's just me.
Their situation and desire to find their son put them in the public arena. Now, the media won't leave them alone. What are they supposed to do?
You criticize them for addressing all of the lookers and questioners. When that is done, they are still being pestered. So they come out again and ask for privacy and you criticize them.