I don’t think racists can tell the difference between Hmong and say Vietnamese: https://www.migrationpolicy.org/article/vietnamese-immigrant...

Re: income mobility: https://www.vox.com/policy-and-politics/2018/3/21/17139300/e... (“Among children who grew up in the bottom fifth of the distribution, 10.6 percent of whites make it into the top fifth of household incomes themselves, as do 25.5 percent of Asian-Americans.”)