In America a brief picture of Janet Jackson's nipple (cf. Superbowl Wardrobe Malfunction) is a huge deal with far too many people while a picture of someone shot or stabbed in the breast is no problem at all.

I won't inject religion here but feel free to draw your own conclusions as to where this fundamentally stems from.

P.S. I don't need porn apps when my N810 can browse porn sites with little fear of malware. Who'd bother writing a MicroB virus?