Think what you will...and I will think what I will.
So, the contingent insisting that both parents must be born in the USA are saying 2/3rds of native born blacks are ineligible to serve as prez since their fathers are unknown and thus of indeterminate ancestry? Or are they saying that one parent of indeterminate ancestry is OK? If indeterminate is OK, how about adopted children where the records are lost or dubious? There’s no Constitutional requirement for a DNA test.
Besides, the XII Amendment already establishes a “court” system (complete with an appeals process) for resolving such disputes - it’s called the Electoral College, the Senate, and the House. The judiciary has no role (I know, that doesn’t usually stop them).
This is an opportunity for Constitutionalist Cruz to educate the electorate (and the dumbasses in congress, most of whom have never read the Constitution).