The State Department says that one may fill out the form and strongly suggests doing so because it will make life easier. But it does not in any way affect one’s citizenship.
Proof 1) one can fill it out anytime up until one is 18 years old. How could filling this document out years after one’s birth somehow give citizenship ACQUIRED AT BIRTH?
Proof 2) the second document, Certificate of Citizenship, is that for which folks apply if they’re over 18. If this is about “validation” rathef than documentation, how can you even apply for it, having missed out on the first form?
These forms are entirely unnecessary to determine Sen. Cruz’ status as a US natural born citizenship, and the desire to see them is voyeuristic.
Because some of those kids born overseas remain overseas and end up recognizing the value in validating their citizenship.
Besides, how does it hurt to show the forms?
Maybe you should consider that it wasn't acquired at birth which is why it is required.