We wouldn't have to outlaw abortion to lower the numbers, as people would willingly do so. And isn't it better to convince people of the truth than to force the truth on them and tell them to like it and shut up already?
We've been doing it backwards, as Peggy Noonan, back when she had her head on straight, used to say--we should educate first, then the laws would change because as a nation BELIEVE abortion should end.
The judges can not be convinced, they have to be replaced.
Ever since the episode aired I thought South Park had the easiest way to convince people that abortion was not a nice little procedure. After finding out that having a vaginoplasty doesn't make him a real women he remarks "You mean, I'll never know what it feels like to have a baby growing inside me and then scramble its brains and vacuum it out?"