Part of the reason is because the Chinese Students and Scholars Associations (CSSA) on most campuses, who work tightly with the local consular offices (read: CC

Part of the reason is because the Chinese Students and Scholars Associations (CSSA) on most campuses, who work tightly with the local consular offices (read: CCP), dissuade Chinese students from mingling with foreigners lest they become "brainwashed". See https://foreignpolicy.com/2018/03/07/chinas-long-arm-reaches-into-american-campuses-chinese-students-scholars-association-university-communist-party/ https://foreignpolicy.com/2018/03/07/chinas-long-arm-reaches....