There was hope that President Xi Jinping was pushing the 'zero-covid' policy until he could secure his record third term. Once those formalities were complete, China, it was assumed, would slowly open from the pandemic-induced lockdowns and return to normal. The citizens and industries worldwide that rely on Chinese-produced goods looked forward to those lenient days.
Biden's lax policy costs a life.
Compensating for the negative momentum among the young: financial handouts and gin-up the abortion issue.
Selling the Biden brand.
Beijing is making up for its lost privileges in Sri Lanka.