Completely aside from its subject matter, Roe was a terrible (and precarious) legal decision in the first place. If the pro-abortion politicians wanted to codify the right to abortion, they have had fifty years to do it properly via a federal law, and yet they have not. Why would you kill the goose that lays the golden outrage vote? The vote that you can tuck away in the back of the cupboard and pull out whenever it looks like your power might be in jeopardy.