"It all comes down to one issue: the sense of belonging in America," said Marlon Hom, chair of Asian American Studies at San Francisco State University. Until the 1940s, he noted, Chinese immigrants often returned home because American society rejected them and denied them citizenship. "In the past, it was discrimination from the white society; today, it's ethno-centrism among some Chinese immigrants." [...]
Hu and Chao have been spending more time in Shanghai each year — living there in spring and fall and moving back in summer and winter, like "migrating birds," Hu said — but they decided maintaining two residences was too much trouble.
In many ways, he has assimilated since he moved to the United States in 1969 — he speaks unaccented English and is tanned and fit from running, skiing and playing golf. Yet, "it's very natural for me in China," he said, "to be surrounded by my own people." [Emigres Feel China's Pull, San Francisco Chronicle 8/24/06]
It's another symptom of America's devolution to becoming a Nation of Squatters. Immigrants are no longer expected to become true Americans at heart, so they don't. They are further indoctrinated by multiculturalism that preaches one's primary loyalty should be to the ethnic group (except when practiced by white Americans, and then it's racism).
Good luck to the homeward voyagers. Don't hurry back!