Dare I suggest it’s a simple matter of vested financial interests?
The subjectivists approach actively encourages consumers to spend, spend, spend ever increasingly large amounts of money on equipment and cabling.
Most of them usually include an ad hoc performance league masquerading as a buyer’s guide that always correlates with increasing prices.
Which reminds me of Robert Harley’s contention, not just recently but also from some years ago, that audio components follow his own law of increasing/accelerating marginal returns (as opposed to decreasing).
So, if you spend another 10%, you will be gifted with something that is more than 10% better in every respect (appreciating that this has nothing to do with the level of expenditure, rather, a comparison between two levels).