Earlier quoted context omitted.
So in other words, the answer to your parent's question is "No, you don't have any evidence." You are providing questions as a substitute for actual evidence. Your questions are worthy of being asked, but they are still questions. Basically a variant of "I cannot explain ... therefore it must be Y! How could it not be Y?" Just because people don't have adequate explanations for nurture doesn't make it an automatic "g…
Really? Do you have proof of this is result of extraordinary nurture. Because nurture would be far more easy to see/document and match against against other examples.
> Just because people don't have adequate explanations for nurture doesn't make it an automatic "genetics". All it means is that they don't have adequate explanations.
Your question is the equivalent of "Since you cannot provide evidence, I must be right." This is a fallacy. The other party's lack of evidence does not strengthen your position.