> Being able to do that stuff isn't a magical attribute you're born with... > The innate aspect is that he has a natural interest and drive to make apps, and put his time into that as opposed to other things.

Sure, many people fail due to a lack of effort but pretending everyone is equally intelligent is little more than an easily perpetuated self deception.

Genetics and early development [i.e. the first few years of a child's life] play a very large role in a person's ability to achieve things by the age of 20.