She has a wealthy (famous) family, very used to publicity and marketing, and one of their businesses is involved with China.
If a kid grows up understanding finance, business development, how to pitch an idea to investors etc. they're going to be lightyears ahead of some kid who grew up being taught to 'do well in school so you can earn a good hourly wage'.
Most 16 year olds are just using their phones to send silly snaps to their friends and watch porn.
Because most 16 year olds dont come from a family with such a wealthy (both in money and opportunities) background.
And most people waste their lives away in 9-5 jobs. It's not an age thing.