True dat, but in that specific case, a groundwork of uncertainty was available to sustain the idea that he might actually have been born here. There is no such possibility with the Arnold-ator.....everyone knows where HE was born, and when.
I was working in the Official Records Office at the County Courthouse in York County, PA, in 1974 and can verify that Arnold has a valid birth certificate and it is totally, totally real and official. But nobody can see it. Just because. I made a copy. Take a look: