I admit not knowing a lot of Chinese nationals, but I do know a very wide range of people. Of course, issues with property and inheritance only apply to people who have sufficient for it to be a major issue.

Could you link to the stats showing that? What about all the other countries? What is the position of BNOs?

Indefinite leave to remain is not the same as permanently settled - there is a difference between long term and the rest of your life.