I am one of these folks that claims natural math/development skills which were inherited from my natural parents. Here is my empirical evidence: I was neither raised by or knew my biological family growing up (though I know them now). My mother is a developer, my supposed bio-dad is a developer, my late grandmother on my mother's side was a mathematician & psychologist, my grandfather on my mother's side was on the e…
One individual is not 'empirical evidence.'
I would say that any number of individuals "after the fact" are kind of weak as evidence. The very best empirical science is making a prediction of some new thing we've never seen before, and then testing the prediction.
So we don't dig up a bunch of bones and look for evidence that dinosaurs evolved into birds, we predict that if we dig, we will find something that looks a little like a dinosaur and a little like a bird, and then we dig.