There are multiple, very large diasporas of people fleeing the PRC. Hong Kong got its initial start from fleeing Shanghai industrialists and bankers (the Hongko

There are multiple, very large diasporas of people fleeing the PRC. Hong Kong got its initial start from fleeing Shanghai industrialists and bankers (the Hongkong and Shanghai Banking Corporation being a notable one). And many of those people also migrated on news of the handover (like HSBC), and also in the recent events.