Tell that to poor Vietnamese, Thai, Laotian, Malaysians, Uzbeki, Kyrgyz or Cambodian immigrants. You can't lump all people from the massive continent of Asia together. Hundreds of different ethnic groups, different geographic regions, dozens of different languages and multiple different religions.Ah ha but what if the stereotype is based off data?
List of ethnic groups in the United States by household income - Wikipedia
From the wiki:
Rank Race Median household income (2016 US$)
1 Asian 80,720[1]
2 White 61,349[1]
3 All households 57,617[1]
4 Native Hawaiianand Other Pacific Islander 57,112[1]
5 Hispanic or Latino (of any race) 46,882[1]
6 Some other race 44,798[1]
7 American Indianand Alaska Native 39,719[1]
8 Black or African American 38,555[1]
Asians to tend on avg to be the wealthiest in the U.S. even above whites on avg $20,000 a year more.