Different people are driven by different desires.
1) Some people are driven by the desire to purchase luxury items for exclusivity and snobbery.
Purchasing certain merchandise allows them to display this to the public.
If onlookers are impressed with the merchandise, it serves its purpose, no matter what the merchandise is.
If onlookers are
not impressed with the merchandise, the focus shifts to a different type of merchandise.
For this function to succeed, interaction between the purchaser and the public is necessary.
2) Some people are driven by the desire to purchase luxury items as compensation for low self-esteem.
https://pmc.ncbi.nlm.nih.gov/articles/PMC9869260/
Purchasing certain merchandise allows them to compensate internally.
It is not necessary for there to be onlookers ... in fact, onlookers may disrupt the internal self-dialogue of the purchaser.
Therefore, for this function to succeed, interaction between the purchaser and the public is neither necessary nor desirable.
In my almost 60 years of exposure to so-called audiophiles, I've seen more of the second type than the first.