This is of course yet more rigamorole used to justify your self-serving opinion and bunk ideology.
A carpool lane is designed to get people to, well, car pool to work... so as to, you know, I dunno, reduce traffic. A fetus doesn't drive to work. The thousand of other different examples your midwit brain could produce are of similar "substance," which is to say none at all.
It really is a sight to behold just how bad "your" arguments are, and how fervently you are willing to hold/defend them. You'd be embarrassed to make them, if only you had any integrity.