The very fact that almost everyone concedes that some enjoy the MQA difference and some do not effectively designates this technology to a category other than general improvement.
For those that enjoy the difference, perhaps the sonic change they hear was something their system lacked in the first place and could easily be achieved by a rebalancing through non MQA means.
For those that enjoy the difference, perhaps the sonic change they hear was something their system lacked in the first place and could easily be achieved by a rebalancing through non MQA means.