Well they can buy those pornography using bitcoin and share it. That is what is happening now really. Using those torrents and blogsites where they post their newly gotten porn and share it. That is a good way in a bad habit. hahaha
Remarkably Porn industries are certainly booming in their own way there are many ways to access it and even paying for it has now an option it is very innovative and easy to pay and buy it, in the near future porn industries will collaborate with bitcoin because of it's security security and privacy.