Super Typhoon Ragasa recently passed within about 120km of Hong Kong and led to the No 10 warning signal being raised. Thankfully, advance warning of the storm and comprehensive preparations in Hong Kong and mainland China, including the evacuation of nearly 2 million people in high-risk areas of Guangdong, averted catastrophe. Still, the impact was significant, with 101 injuries reported in Hong Kong and substantial property damage. Among the debris left in Ragasa’s wake is a debate over...