I am not sure. Calling people lazy seems a logical conclusion for older generation Chines people. My parents call me lazy very often, because I cannot keep my a

I am not sure. Calling people lazy seems a logical conclusion for older generation Chines people. My parents call me lazy very often, because I cannot keep my apartment tidy... They led a life with prevalent poverty and lack of food, and almost any kind of living supplies. They all need to work hard. I am not surprised that an older generation Chinese call most US people lazy. As for whether there is a racism judgement, I dont know. You are most close to your dad. :)