It takes intelligence and discipline to build wealth and if your parents have it they may pass that on to you. Sometimes that doesn't make you wealthy but they are still good things to inherit from your parents.
It’s easier to keep it if everyone around you has it too
> Plenty of poor athletes and musicians too who once had it.
Again, easier to lose it if those around you don’t have it. Then you help out, buy mom a house, pay for medical care. Pay for nephews school, cousin’s rehab, brother needs a loan, etc.
That they've managed this in the face of rampant anti-Asian discrimination in the US is all the more to their credit.
[0] https://www.statista.com/statistics/233324/median-household-...
Meanwhile, I have a lot of Chinese, Hongkongese, and Korean coworkers whose families are well-off enough that they don't need to work for a living, have relatives who don't work for a living, etc.
So yes, lots of first-generation immigrants in US come from serious money overseas, and the ones who don't have worse outcomes on average.