Just because some people can do something with little or no training, it doesn't mean that others can't do it (and sometimes do it even better) with training.
...when people already know they're deficient, they have nothing to lose by trying.
Wow, that's a really good score. You must have worked really hard.
Why seek out the tried and true, instead of experiences that will stretch you?
It is not always people who start out the smartest who end up the smartest.
Don't judge. Teach. It's a learning process.