I do find the contention that a top level dac has to be “car priced” illogical. The bits and pieces used are not very expensive at all. If very talented people decide they can manage with a lower profit margin by selling direct, and making money by moving many unit’s instead, it is absolutely possible.
The HCDC encoding has become quite unimportant, the recordings with very good sound recorded in this format are few, and seem to be a matter of the mastering engineer having the excellent sounding Pacific Microsonics a/d converters on the shelf more than actual releases. When Microsoft bought the process 20 years ago it was ahead of its time, the widespread use of highrez files have made it anecdotal at this point. Even Mark Knopfler (a early adopter) has finally given up on it in his own commercial studio “British Grove Studios “.