Somewhat incorrect.
I (and my Thai wife) lived and worked....me, not her... In Hong Kong for 15 years.
After 7 years we could, and did, apply for PERMANENT HONG KONG RESIDENCE. (1 x A4 application form and 5 minutes interview )
Although we have a house and (me) yearly marriage extensions in northern Bangkok, we are able to come and live/work forever in Hong Kong, enjoying the near free medical facilities and services etc.
No money in the bank required, or 90 day reports.
No annual (or ever) visits to /from Immigration dep
So, there are SOME places where you can do it!!