Hong Kong's U-turn on quarantine is a sign Beijing still needs its gate to the West

As China doubles down on Covid lockdowns, restricting movement for tens of millions of people, a very different scene is unfolding in Hong Kong. The mood in the Chinese-controlled city is perhaps the lightest it has been in three years, after authorities scrapped mandatory hotel quarantine for incoming arrivals in September – prompting a mad rush to book flights out of the city among travel-starved residents. It was a significant U-turn, given how stubbornly city authorities had stuck to the quarantine requirement, despite a nosediving economy, a worsening international reputation, and an ongoing exodus of residents.