Fair's fair, and that's incomparably fairer that the dismal travesty the greedy feminist advocates want.
Tell it to the child. I have no problem introducing the real father, as that is only right, but punishing the child to get back at the mother is wrong and immoral. Put yourself in the child's shoes and see how you'd feel. Then again, most don't give a damn about the kid...that's apparent.
The problem with this argument is that it perpetuates bad behaviour. It leaves women free to screw around, then hold the child as a shield, and say think of them. You aren't the biological father, as the man in this case, your chances of custody are even lower. The child support payments don't have to be spent on the kid, only as the mother sees fit. Not a happy situation.
Much of child support is hidden alimony. One thing I think that might work, is a debit card. You can not buy liquor, or stereos, or tickets to R-rated movies, with your child support debit card. Groceries, books, clothes, etc can be purchased with the card. It it utterly unfair that a man would have to pay out this money, and not even be sure if it is going to the child.
In most cases, the money is actually supporting the child, but why does a woman who screw around while married, get to be on the honor system, in dispursing money for said child?