That is a misrepresentation of what actually happens in a computer program when scanned images of text are read. You see, if a scanned image of a text contains a font not actually present within a program's font database, it selects the closest fit, then reconfigures the text in that font. If you looked at the font used by the program, it may thus be a font "not invented until 10 years or so after he was born" if the original font was not added to the program's font database. This has been debated all over the net, and even Fox "News" determined that the certificate was legitimate.
http://www.foxnews.com/politics/2011/04/29/expert-says-obamas-birth-certificate-legit/
Unfortunately, when individuals use emotion-based reasoning, their method of investigation does not follow the path from that which is used in fact-based reasoning. They "feel" something is wrong, then seek evidence to support their "feeling", often ignoring evidence that contradicts that "feeling." This group will not easily change their opinions based on facts -- they require a change of feeling. All the facts available may indicate that a candidate is a poorer choice compared to his opponent, but that doesn't trump a "feeling-based" individual's decision to vote for "the guy they'd most like to have a beer with."
Both "feeling-based" and "evidence-based" methods of decision-making have their places, but in some situations, one is more appropriate than the other. Personal relationships are not best decided by an "evidence-based" method -- if you have no "feeling" to be in a particular relationship, all the evidence in the world won't make it a good choice. Similarly, in evaluating whether or not a piece of data is true or false, a "feeling-based" method isn't appropriate.