Is it Judeo-Christian ethics? The result of American foreign policy? Or is porn worse for children than Call of Duty?
And what's it like in other countries?
The Judeo-Christian tradition of heavy authoritarian social traditions (top-down, male oriented, "might makes right" mindset) mutated into what is basically a modern jingoist mentality.
Eventually, you arrive with what we see today: a culture which values strength and fierceness, and reflects this in its movies and tv, while simultaneously holding onto an antiquated fear of/confusion about human sexuality.
"They preached the belief that bicycles should be used for utilitarian purposes only and any pleasure derived from cycling was a sin".