Robert Bagley of Princeton University, an associate professor of Chinese archeology and art and an expert on Shang civilization, said that all the people proposing such a connection were themselves Chinese, and that "it no doubt gratifies their ethnic pride to discover that Mesoamerican civilization springs from China."
普林斯頓大學的中國藝術與考古學者羅柏．貝格雷則說，提出美洲文明起源於中國這種論調的都是中國人，「無疑會滿足他們的民族驕傲感」。