Yeah I hard disagree with their statement.
I've come to observe with having kids (and also moving to Germany and seeing other kids shaped) that so so much is taught. There is a ton born into a kid but so many things like the ability to think critically about a problem is actually taught in primary school and early years education (kindergarten/kita/preschool). There might be some raw horsepower that some people have more or less of with regards to certain problem spaces but for the most part - how to tackle a problem and think critically is very much a learned skill that some may get on their own but it can certainly also be given to them.