Which is a story for the most of the priviliged children as they don't have too much motivation to excel in anything.
On the contrary, it’s a demotivater. Hunger, both literal and figurative, is the greatest motivator. It’s not unheard of to find it in the affluent either, just not as common.
One other thing I’ve noticed is that the figuratively hungry never seem to be satiated. I say that as a complement. It doesn’t matter how they started, they won’t rest on their laurels as there’s more to conquer.
Combining that hunger with the resources and support network of a (relatively) affluent family is a surefire recipe for success.