It is a fact that MQA is a lossy format, some information is being lost. It has been repeatedly suggested that the sound may be improved in some way. The only way that the sound can be improved is to alter the data.
That leaves consumers in the situation that they either have to trust MQA or trust their ears, neither of which would seem to produce any objective proof of the true situation.
The primary beneficiary of the MQA lossy compression would appear to be the streaming companies, who save bandwidth, although there is a use case for mobile users who may save data