1. more isn't necessarily better....
2. sound matters and cds were already, in the main, a step in the wrong direction...
3. just because society moves in a direction (i.e., "progress") doesn't mean its better...sometimes its devolution baby...look at economy air travel for a good example but there are plenty...
4. just because society moves in a direction doesn't mean everybody has to move in the same direction; arguably there is something to be said for people who go against the grain..
5. I can only speak for myself on this one, but, when I listen to music I like to have the tactile experience of holding a physical product, the album cover art, the information on the recordings, the liner notes, etc..it all forms part of providing the "context" which is vital, to me at least, in "listening" to the music... just streaming something without knowing the studio, musicians, dates, etc, I don't get that and it doesn't work for me... moreover, I think it substantially cheapens the music...I'm sorry but listening to an RL Zep brown bomber ain't the same as streaming the album and if you don't know what I'm talking about its your loss.
6. the best way I can compare say a world of limited but quality LPs to endless streaming/mp3s would be to compare an all you can eat buffet to a nice meal at a good restaurant.....which is the more satisfying experience? the all you can eat gives you more food at a cheaper price but so what? is that better?
7. also, if your taste in music is fairly limited conventional streaming probably works for you but if you like music from other countries I think it will be a long time before streaming provides you the ability to listen to that music.. don't assume everything is available for streaming.... sure you can stream the new release being promoted by the record label trying to break a band in the Pitchfork world but what about that obscure folkie from Uruguay Eduardo Mateo...is his stuff available? I'm going to be it isn't...and it will be a long time before it is..and likewise the world is full of great music that isn't going to be streamed..
8. technology. there is a strong tendency on the part of some people to think that whatever innovation takes place in technology is better than what came before...I don't see it like that- in other words don't believe that is always so- but your mileage may vary.. a side corollary of this is that it is the young people who tend to be first adopters on new technology so the "young are better than old" stereotype really feeds into the "technological innovation" is necessarily progress idea.... well its great being young but there is something to be said for experience too...