Actually, you are dead wrong! A nationwide post-election poll conducted by Wirthlin Worldview showed a 12% advantage for pro-life candidates. But you don't have to take my word for it, you can read about it here:
Wirthlin Poll
Um...
Respondents were also asked to volunteer “what was the main reason you voted for … for President?” as an open-ended question. His position on abortion: 6%
Your link defeated your own argument.