Instead of having ISPs and governments with databases detailing which one of us wants to enjoy online porn, there should be a standard on how to provide adult material on the internet. If this was to be implemented it'd be easy to create simple technologies that users could use for filtering out this kind of material themselves. The use case that most people would find this good is blocking porn in kids' phones and c…
Try reading up on the many criticisms made of the .xxx concept when it was proposed.