I consider my hobby was once, in the period i learned it about : acoustics and his relation to the three others workings dimensions +Psychoacoustics factors...
For most people instead of being the ground of audiophilia it is an optional decorative ceiling...
The main business of audio threads is marketing, well inspired or not ...
This will not change... People dont read books and anyway nobody experiment under his wife eyes in a living room ...
I am done with purchasing (except for replacing a broken piece) I learned acoustics. Now my hobby is music and A.I. studies... 
«Your wisdom is useless as are those answers for a question never asked»-- Groucho Marx philosopher