Chinese students at a US university were told to speak English. Simple racism, or something more?

The now notorious incident in which Duke University biostatistics graduate students from China were told by their programme director that they should speak English “100 per cent of the time” while on departmental premises deservedly attracted condemnation in the United States higher-education community, and among Chinese in the US and China. As a professor of ethnic Chinese origin myself (I am Singaporean) with 35 years’ experience teaching at the University of Michigan…