> The thing is, this doesn't even seem particularly useful for average consumers/listeners

Yeah. To me it is not really relevant. I actually was not using spotify and if I need to have songs I use ytldp for youtube but even that is becoming increasingly rare. Today's music just doesn't interest me as much and I have the songs I listen to regularly. I do, however had, also listen to music on youtube in the background; in fact, that is now my primary use case for youtube, even surpassing watching movies or anything else. (I do use youtube for getting some news too though; it is so sad that Google controls this.)