As for OCR, what does that have to do with a supposedly type written document supposedly created in 1961? The technology did not even exist then.
It is to some people. They prefer to believe conventional wisdom than to think for themselves. Not sure why? Perhaps they believe Obama and his evil minions are surely smarter than to offer up such a shoddy forgery.
Or perhaps Obama and his evil minions really are smarter than those who continue to believe Obama wouldn't cheat and lie and pull every rotten trick in the book to hold onto power.