If I might post an unpopular opinion, and let me assure you I'm not secretly a pro-CCP shill: what's happening HK has much more to do with changing economic realities than it does with an evil agenda from the Chinese government. In 1997 HK had 1/3 of the GDP of mainland China and was the only way for Western companies to interact with China. Today HK has 3% of the GDP of mainland China and a huge part of this is beca…
The CCP was not legally obligated to do so, of course; Drew IS wrong about the illegality of the CCP's behavior here. And as a practical matter, trying to deprive China of the territory of Hong Kong is a fool's errand.
But the talented people of HK who stayed in 1997 in the hopes that the rest of China would meet them closer to halfway do not need to remain. And, now that close to a billion Chinese have been lifted out of grinding poverty by the economic policies of the last 40 years, any economic moral obligation the West had towards the Chinese people has been met; there's no particular reason for the West to further subsidize Chinese development over further development of India, Indonesia, etc.