CHP have no understanding on what is happening in the community and how to resolve any of the problems. They just follow their masters to the north.
21 days is there to limit movement of people in and out of Hong Kong to the governments own benefit. Not to keep anyone “safe”. Even if they could manage to coax the locals into getting vaccinated they will come up with another excuse on why we should all suffer. The opening of HK won’t be for some time.
Maybe the DOT closing the US to the airlines might just help them realise the consequences of the choices they made.