You don't comprehend the meaning of context, political-speak, and grammatic license, do you?
To the thinking of many, Rove got GWB elected in the same way the late Lee Atwater got Bush-41 elected and, and the same way James Carville got Clinton elected, etc., etc.
All this means, DJ, is that these individuals are credited with having come up with the means and arguments to get people to vote for their candidate - thus getting said candidate elected. It's political shorthand, not a slight against the folks who actually voted for the candidate.
You don't understand the meaning of Ronald Reagan's statement that you quoted, do you?