If you’re buying Macintosh B&w, marantz, Sony the new dealer is a good thing.
The whole issue here is the exceptionally over priced high end audio gear that exists which is not widely available. Most people buy on faith having never heard it. The high end industry takes advantage of those ultra rich people who don’t really care and would gullibly pay the higher price. The wealthy just don’t know no better.
So blame the rich people for the high prices. Not much of it is made and there’s more than enough wealthy people to buy it all. It never is available used because really rich people don’t have the time to sell older gear that was upgraded and now no longer use it.