Some interesting questions/observations, Mulder.
Fwiw, I think the push/quest or whatever you want to call it for some greater objectivity and education on the fundamentals of both good sound and video has been going for some time. At least on the home video side. And the "subjective vs. objective" thing is still somewhat new to me, because things don't really work like that in video.
So I was a bit surprised by just how uninterested many of the folks on home audio websites like Head-Fi seemed to be in talking seriously about some of the more objective aspects of their audio gear. And how much emphasis that many (though certainly not all) there would place on the more experiential aspects of audio (ie actually listening to the gear).
Like Drengur, I think it's great that accurate, high quality audio gear is also finally finding its way to the masses, so people can enjoy much better sound and picture on the content they like to watch and listen to. And I credit folks like Floyd Toole and Sean Olive of Harman, and Tyll Hertsens of Inner Fidelity for a good bit of that on the audio side.
I think there can be potential pitfalls though in going to either extreme of the subjectivist or objectivist sides of the equation. Because I don't think science has all the answers on all of this yet. And we are only just beginning to understand many of the more complex aspects of how things like loudness, distortion, frequency response, and so forth really effect our perception, enjoyment and appreciation of audio content. And how you really should measure and interpret all of those kinds of things.
So I think there are still many things that can be learned from both the good listeners, and also the good measurers on this subject. (Just as there were things that could be learned from knowledgeable viewers on the video side.) And that you really need both of these things to move the science and the technology forward.
Alot of folks probably think that good video is a totally objective thing... But that's not really the case either. We know that people like higher contrast ratios, deeper blacks, and more colors, generally speaking. But there isn't necessarily total agreement even on that. And there is certainly plenty of disagreement on the best ways of achieving those things! This is because human perceptions and senses are complex, and are effected by a wide variety of factors. And because there are often other factors that can (and should) effect people's buying/consuming decisions than just the purely perceptual ones, like the cost, convenience, flexibility, reliability, ergonomics, aesthetics, and so forth of a product.
Overall, I think there has been a much healthier interplay between the more subjective/experiential, and the more objective/scientific sides of the equation in the video marketplace, which has resulted in some truly extraordinary improvements in video technology in recent years. (Though it took us quite awhile to get there.) And I hope the same kind of thing can eventually happen in audio as well.
If there is one area where I still think things could be improved though on the video side, it would be in terms of the ease of use or user-friendliness of the technology. Because achieving an accurate picture (with the correct aspect ratio!) on a new HD or UHD TV can still be quite a challenge in some cases, even with all of the new advancements in things like size, thickness, resolution, contrast, color gamut, and so forth.