Being parents blinkers our conscience. We dont want to corrupt the innocent minds of our offspring or think of them engaging in such activities. It's the biggest flaw in our make up as humans.
I cant understand how a grown up and responsible programme of education, written with facts and humour and a good dose of relationship discussion, can be seen as corruption. I have educated my kids to have an understanding of the world as a whole, we've discussed religion, culture, sex, alcohol. This is really where we should be making a moral stand point.
I really do want my childrern to grow up with a healthy enthusiasm for life and it's charms, sex included. If they get to enjoy the fruits of the flesh half as much as I have then they will be lucky people indeed. As their parent it is my job to ensure they engage safely with the world and consider the consequences of their actions legal and moral.