God: "I looked for someone to take a stand for me, and stand in the gap" (Ezekiel 22:30)
If it were possible for the unborn child to choose to be wanted or unwanted, the child would predictably and rightfully choose to be wanted. But if the alternative to being wanted is being eliminated, what kind of choice is that? Since the child cannot even make the choice (fruitless though it would be, considering the alternatives), there are those who make its choice for it by killing it, and then piously pretending that their killing is really not an act of murder but of mercy because it is done as a humanitarian favor to the child.
