What the church had actually accomplished with this crowd-pleasing manoeuvre was a subtle and yet massively important change in the relationship between the population and its sexual imagination. Implicitly, it was acceptable to enjoy sexual imagery as long as you accepted also that such acts were sinful, and felt suitably ashamed and guilty if you were in any way aroused by their depiction. This established the immediate link between perusal of pornography and intense self-loathing or embarrassment, which still obtains today throughout most of the western world.
I read this essay a few months back when it appeared in Arthur. It's a bit of a kitchen sink mess, but still quite interesting.