I don't view CP as a free speech issue, I just think its prohibition is an arbitrary, puritan social construct.
Same applies to indecent exposure laws, I guess. At what point did we decide the human form is indecent in its unclothed state, and people should be deprived of their freedom for exposing their natural form in public?
At what point did we decide people should be deprived of their freedom simply for looking at images of children in their natural, unclothed state?