I get the point about physical music but for me Spotify has allowed me to listen to all the back catalogues of Pink Floyd, Queen, Black Sabbath and multiple other bands for the cost of a Costa coffee per week. I can have all of them downloaded onto my phone (or tablet) in a matter of minutes. All you need is a wifi enabled device. You don't need to stream* them at all. I've also listened to music from recommendations of friends which I would have never listened to otherwise as there would have been no chance I would pay for the album.
Its like having access to the biggest music library in the world and you can keep the music indefinitely.
Like @chrisp65 says, different strokes, different folks but I will never purchase an album direct again.
*applies to premium only