Very naive. Chinese cannot just waltz out of China in the past two years. Anybody getting out is getting out with the CCP’s blessing. They will be tracked constantly and at the very least they will be coerced through threats to their family in China. At the worst they are sending spies, agents, couriers, and future saboteurs.
There may be more going on than we know. Their official unemployment for youth is 19.6% at a time when their aged workers are leaving the workforce, which suggests it is actually higher.
Yes, I am aware of the possibility of sabotage and terrorist acts.