Who are we? I mean the people engaged in these conversations. Most of us are seniors from what I can surmise. To begin with, we have a common desire for HEA; that's because we know what a difference it makes in the recorded music we listen to, and we can distinguish between good, also ran, and the top tier; hence, the demand is exclusively "us'. There will be no new people to replace "us".
Many people can't tell the difference between good "mid fi" and HEA. Those people are not about to pay the gigantic difference in price between the two. We have digital that's dirt cheap, and analog that's through the sky; which is going to sell when not everyone can tell the difference?
Before, I thought this HEA slowdown had to do with economics, now I'm not so sure, but I'm glad I'm on the buying end as opposed to the selling end.
This circle will get smaller and smaller, plus even more expensive for the truest of HEA; that I believe is the answer to your question; although we can rationalize something with new technology is cheaper, is it HEA?