True, but I've never really had more than 3 to 4 stations that I liked to choose from, whether that was growing up in the 80s in the midwest, or in my 30s & 40s in SF. Now, it's really easy to wonder what a particular style of music sounds like, find it on youtube or something else, and check it out. My tastes in music have broadened tremendously over the last 10 or so years, and while I don't buy every album, I've went to concerts of bands that I would have never known that I liked before the internet.
Someday, someone will figure out how to make money by using the internet to reach the wider audience than CDs, tapes, or LPs ever could. Making $0.10 per person per year * a few billion people should be in the same ballpark as $10 per person per year * 10 million people.
Plus, when I was growing up in the 80s, I had hundreds of albums, but only paid for about 1/3 of them. 2/3 were copied from friends. So it's not like people have always payed for everything that they had access to.