Voters can be fooled, but the trick is not permanent, and they will not be doomed to believe foolish and false facts terminally. Maybe even some voters were fooled into voting based on false reports leading to lingering false beliefs. But to suggest there is some army of idiots swinging elections is ludicrous and frankly paranoid.
Liberals vote Democrat. Conservatives vote Republican. Even if any of them are fooled into believing false information, they do not change their votes. Anyone that crossed party lines did not do so on a whim. And moderates are skeptical and less likely to take false information seriously.
For what it's worth, I apologize for misrepresenting your statement, which I promise you was not due to malice and only due to my poor comprehension.