When Cado Lee Ka-to carried Hong Kong’s flag into the Paloma Mizuho Stadium on Sunday, he did so at the head of what remained of the most successful Asian Games delegation in the city’s history. While only a handful of the 580 athletes who made up the team attended the closing ceremony, their impact will be felt far beyond the past fortnight, although it may be in what wasn’t achieved that a lasting legacy is created. At first glance, an overall medal count of 54, only one more than the previous...