They should care so they can protect them. Can you imagine if all these young teens were pregnant? There would be little to support the new born kids. The teens probably do not have alot of money. So the teens will probably get into crime to support the new baby. Then eventually the baby will get into crime as well. And it will be just one big cycle. All of them will go on well fare and the tax payers will have to support them. So, if you have young teens getting pregnant, it will most likely raise the persentage of crime and poverty. Then you people will be complaining that we suck because there is so much crime and poor.
To summerize, no sex till after 16.