heh, a good 2ch system might not be likely, but 2ch systems are still healthy if not as popular as they were a decade ago.
I too live in hk, and before getting into head-fi (due to the frequent need to go overseas) i had the luxury of having a dedicated listening room in my 700 sq ft flat for my 2 ch system.
The image you attachef above is the typical layout for a "mid-fi" retailer in the mong kok area, there are better set up places around central and in distributor showrooms.
(showroom in central)
(flat of an accquaintace of mine via 6moons)
there are many sides to the story, and yes, head-fi is more democratising, but it has not replaced 2ch. Setting proper set up aside, brands like Magico, Goldmund and Wilson sells more in HK than most countries aside from Russia and China.
And if one look at 2nd hand forums like
https://www.review33.com/2ndhand/
you will see how fast and furious the market is.
just my 2¢