I think it is unrealistic to believe there is no market for a product like this. I have no doubt there is a market for it.
Also, the EverSolo DMP-A6 Streamer/DAC I managed to get my hands on, with great effort, is still almost impossible to get, several months after it was released. The...
It's a good thing that there are options like this. I hope more become available. They just come with substantial limitations, but at the benefit of significantly fewer complications.