Quite the contrary -- the fact remains, Cruz is eligible. Under the Nationalities Act, his mother's status as an American citizen who had been an American citizen for at lest 10 years, at lest 5 of them since the age of 14, makes her son a natural-born citizen, regardless of his place of birth.
This means Cruz is eligible regardless, but it makes 0bama's place of birth critical, since his mom was only 18 when he was born, and therefore could not have been a citizen for at least five years after the age of 14.
Mark Levin explained all this a week or so ago.
This entire issue is a distraction to keep us from discussing actual issues. it shows how afraid of Cruz the Establishment and the Trumpkins are. They know that if their candidates' records are exposed, they'll lose.
The fact that your analysis starts with an “Act” means you know nothing about the issue. Acts of Congress are irrelevant to the question of who is or is not a natural born citizen. They deal strictly with who is or is not a naturalized citizen. The Constitutional explicitly granted them the right to determine naturalization rules, but not Presidential eligibility rules.
Your reasoning is flawed, check 1795. Cruz is NOT eligible.
SCOTUS trumps Levin every day of every year.