[ksec]

>she was immersed in it

The other part is not only do these kids spend more time on these sports depending on culture or norm but also the players they are playing against.

The same is with Basketball in US, Table Tennis in Taiwan and Football in Europe. You are likely playing against people who are much just so much better at the sport compared to other countries with different norm. You are basically training with better people. And this pushes the quality of players even higher.