Eligibility to the Executive Branch is the only distinction made under the Constitution, as far as natural born. Conflating native birth to foreign parents with Constitutional natural born citizenship negates the clear concerns of several Founders. Semantic originalism matters. Original intent matters.
You're caught up in statute law, as if the status can be legislated, and not just our statute law but that of England. It's really not that elaborate and goldplated of a concept, that such flapdoodle and puffery is required to understand it.
Do you REALLY think the US Supreme Court, knowing about Obama’s father, refused to take a case because...it was trivial? Uninteresting?
Why do you think no member of Congress - not ONE! - has objected that Obama is ineligible?
Why do you think Rush and Malkin & Coulter refuse to make the claim - too politically correct? Cowards? Traitors?
Why do you think no state AG, no state legislature, McCain and Palin all refuse to object?