That argument will not carry much weight with the pro abort crowd
They would tell you that in one case it’s about taking care of something you want, while in the other case it’s getting rid of something you don’t want. So from their perspective it makes perfect sense.
The essence of the anti abortion case is that the conceived being inside the uterus is a human being. Only convincing the other side of that can win the case. Everything else is quite irrelevant.