Apple maps is still horrible in Hong Kong. Absolutely horrible. In a city this size, with three Apple stores, that's inexcusable.
It's not just POI data which is terrible, either. Finding a simple address is next to impossible.
First of all, addresses here are almost exclusively listed by building name, street, and district. Address numbers are very commonly listed as a range.
For instance, my address (names and numbers changed) might be Flat 2B, 3/F, Woo Fung House,...