As both a teccie and a concerned (and hopefully reasonable parent) ... I find the notion of having my children exposed to porn unsettling. Yet i see considerable debate and the demand on our government to be seen to control pornographic content.
I posted on another site ... theconversation.com/porn-licensing-online-isnt-going-to-deter-the-digital-generation-24993 over a week ago, it seems that this is an interesting 'sideways' view of the issue, where this academic seems to imply that no matter what the government does cyber criminals will try other ways.